Final answer:
To calculate the theoretical yield of C2H5Cl in the reaction between ethane and chlorine, you need to determine the limiting reactant and use stoichiometry to calculate the yield.
Explanation:
The reaction between ethane (C2H6) and chlorine (Cl2) produces mainly ethyl chloride (C2H5Cl), but other products such as dichloroethane (C2H4Cl2) may also be formed in smaller quantities. These additional products reduce the overall yield of ethyl chloride. To calculate the theoretical yield of C2H5Cl, we first need to determine the limiting reactant. This is done by comparing the stoichiometric ratios of the reactants: C2H6 and Cl2.
The balanced chemical equation for the reaction is:
C2H6 + Cl2 → C2H5Cl + HCl
To calculate the theoretical yield of C2H5Cl, you can use the following steps:
Convert the given masses of C2H6 and Cl2 to moles using their respective molar masses.Determine the mole ratio between C2H6 and C2H5Cl from the balanced equation.Use the mole ratio to calculate the moles of C2H5Cl that can be formed.Convert the moles of C2H5Cl to grams using its molar mass.The resulting value will be the theoretical yield of C2H5Cl.
Colorful light emissions are applicable to everyday life. where else have you observed colorful light emissions? are these light emission applications related? explain.
Colorful light emissions are applicable to everyday life.
What is science?Science is the methodical, empirically-based pursuit and application of knowledge and understanding of the natural and social worlds.
People may contribute to the development of new knowledge through science and utilize it to promote their objectives.
Every time matter produces light All materials emit light when heated.
The part of a cooking stove, the metal filaments in a lightbulb, and even solar radiation from the sun creating multicolored lights are just a few examples of how this happens in the world around us.
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Consider a book that weighs 15 N at rest on a flat table. How many newtons of support does the table provide?
A table provides a support force equal in magnitude and opposite in direction to the weight of the book on it; therefore, if the book weighs 15 N, the support force from the table is also 15 N.
The question involves understanding the forces involved when a book is placed on a table. If a book that weighs 15 N is at rest on a flat table, then the table must provide an equal and opposite force to support the book and keep it at rest, according to Newton's third law of motion. Therefore, the table provides a support force of 15 N upward to balance the weight of the book.
identify the chemical change below
a) a piece of wood burns in a fire
b) two pieces of paper are stapled together
c) water is removed by drying wet clothes on a laundry line
d) a large log is cut into boards
why would the size of a star affect its luminosity
The size of a star directly affects its luminosity because larger stars have a larger surface area and can emit more light and heat. On the other hand, smaller stars have a smaller surface area and emit less light, resulting in a lower luminosity.
Explanation:The size of a star affects its luminosity because the luminosity of a star is directly related to its surface area. Larger stars have a larger surface area, which allows them to emit more light and heat, resulting in a higher luminosity. On the other hand, smaller stars have a smaller surface area and emit less light, leading to a lower luminosity.
For example, let's consider two stars of the same temperature, but different sizes. The larger star will have a greater luminosity because it has a larger surface area from which it can radiate energy. Conversely, the smaller star will have a lower luminosity due to its smaller surface area.
Therefore, the size of a star directly impacts its luminosity, with larger stars being more luminous than smaller stars.
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Jurgen Habermas introduced this concept in the concept of intersubjectivity?to designate an individual capacity and a social domain.?
Jurgen Habermas is a German philosopher and sociologist which is an expert in the field of critical conjecture and pragmatism. He is most widely known for his theories regarding communicative rationality and the public sphere. This concept of intersubjectivity is called as:
“Intersubjectivity of mutual understanding”
Jürgen Habermas's concept of intersubjectivity relates to the individual and social capacity to create understanding through communication. It is central to the public sphere where free, rational discourse among citizens influences political action. Habermas emphasizes communicative action as essential for democratic governance.
Explanation:The concept of intersubjectivity, introduced by Jurgen Habermas, refers to an individual capacity and a social domain where understanding is constructed in communication among individuals. Habermas places emphasis on the role of the public sphere, an arena separate from the state and the private sector, that facilitates free, rational discourse among citizens. This realm enables the collective deliberation and influence on political action. The development of the public sphere historically marked the movement away from feudal structures towards more democratic forms of governance, particularly during the European Enlightenment. Moreover, Habermas's view on communicative action as the process by which social actors engage and create shared understandings, shapes the political landscape through open and inclusive debate.
A car increases its speed from 9.6 meters per second to 11.2 meters per second in 4.0 seconds. the average acceleration of the car during this 4.0-second interval is answer
Avg Acceleration is
[tex]\rm 0.4\;m/sec^2[/tex]
Step by Step Solution :
Given :
Final Speed, v = 11.2 m/sec
Initial Speed, u = 9.6 m/sec
Time, t = 4 sec
Calculation :
We know that,
[tex]\rm Avg\;Acceleration = \dfrac{v - u }{t}[/tex]
[tex]\rm Avg \; Acceleration = \dfrac{11.2-9.6}{4}[/tex]
[tex]\rm Avg\;Acceleration =\dfrac{1.6}{4}=0.4 \;m/sec^2[/tex]
Therefore avg acceleration is
[tex]\rm 0.4\;m/sec^2[/tex]
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If the temperature at the surface of earth (at sea level) is 40°c, what is the temperature at 2000 m if the normal lapse rate is 6.4°c/1000 m?
If the temperature at the surface of the earth (at sea level) is 40° Celcius, then the temperature at 2000 meters would be 27.2 degrees Celcius if the normal lapse rate is 6.4° c / 1000 meters.
What is the kelvin scale of temperature?It is a scale of temperature used to measure the temperature, the kelvin scale of temperature is also known as the absolute scale of temperature.
As given in the problem If the temperature at the surface of the earth (at sea level) is 40° Celcius,
Normal lapse rate = 6.4° c / 1000 meters
The decrease in the temperature for 2000 meter height = 6.4×2
=12.8° Celcius
The temperature at 2000 meters height = 40 - 12.8
=27.2° Celcius
Thus, the temperature at 2000 meters would be 27.2 degrees Celcius.
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Final answer:
By applying the normal lapse rate of 6.4°C per 1000 meters, the temperature decrease from 40°C at sea level to 27.2°C at 2000 meters above sea level can be calculated.
Explanation:
The question asks about the change in temperature with altitude, applying the concept of the normal lapse rate. If the temperature at the surface of the earth (at sea level) is 40°C, and considering the normal lapse rate is 6.4°C per 1000 meters, one can calculate the temperature at 2000 meters above sea level. The formula to calculate this is: Temperature at altitude = Surface temperature - (Lapse rate × altitude/1000).
Using the given values in the above formula: 40°C - (6.4°C/1000m × 2000m) = 40°C - 12.8°C = 27.2°C. Therefore, the temperature at 2000 meters above sea level would be 27.2°C.
During fuel burn, the vertically launched Terrier-Sandhawk rocket had an acceleration of 300 m/s2 (about 30 times free-fall acceleration called 30 g). The fuel burned for 7.0 s . Find the height of the Terrier-Sandhawk rocket at the end of fuel burn.
The equation that we can use in this case is:
y = v0 t + 0.5 a t^2
where, y is the height, v0 is initial velocity = 0, t is time, a is acceleration so that:
y = 0 + 0.5 * (300 m/s^2) * (7 s)^2
y = 7350 m
Some scientists typically think of consciousness as a product of
Some scientists typically think of consciousness as a product of the brain's neural activity, particularly the activity of certain specialized regions of the brain such as the prefrontal cortex.
What is consciousness?Consciousness refers to the state of being aware of one's surroundings, thoughts, feelings, and perceptions. It is the subjective experience of being alive and aware of the world around us. Consciousness is often described as the quality or state of being aware of one's thoughts, feelings, and surroundings.
Consciousness can manifest in a variety of ways, including perception, attention, awareness, intentionality, and self-awareness. It is closely tied to our experiences of the world, and plays a central role in our ability to interact with our environment, communicate with others, and make decisions.
Despite its ubiquity in our everyday lives, consciousness is still not fully understood by scientists and philosophers. The study of consciousness is a topic of ongoing research and debate, with many theories attempting to explain how and why consciousness arises in the brain. Some theories suggest that consciousness is an emergent property of complex neural activity, while others propose that it may be a fundamental aspect of the universe itself.
Here in the Question,
Consciousness arises from the coordinated firing of neurons in these regions, which give rise to subjective experiences such as perception, thought, and emotion. Some scientists also believe that consciousness may involve the integration of information across different regions of the brain, as well as the ability to selectively attend to certain stimuli while filtering out others.
While there is still much that is not fully understood about the nature of consciousness, there is a growing body of research that suggests that it is closely tied to brain activity. For example, studies have shown that certain brain regions are more active during conscious states than during unconscious ones, and that the strength of the neural signals in these regions is correlated with the intensity of conscious experience. Other research has suggested that conscious experience may involve the synchronization of neural activity across different brain regions, or the modulation of neural activity by neurotransmitters such as dopamine and serotonin.
Therefore, Some scientists believe that consciousness is a byproduct of neuronal activity in the brain, particularly in some highly specialized areas of the brain like the prefrontal cortex.
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when two or more substances are mixed together without undergoing a chemical reaction result in a a/n
How many joules are in 1 kilowatt hour?
What are three problems that can result from poor soil management? Erosion Nutrient depletion Development Desertification
Erosion, Nutrient Depletion and Desertification are the three problems that can result from poor soil management.
Poor soil management is damages environment and is a threat to our food supply. It results in erosion, nutrient depletion, desertification which makes the soil less fertile and unproductive and thus affects our food supply.
) what is kinetic energy, and how does it differ from potential energy?
The earth is made mostly of metals and rocks. Where did this material come from? It was made by nuclear fission of uranium and other radioactive materials. It was produced in the Big Bang. It was created by chemical reactions in interstellar space. It was made by our Sun. It was produced by nuclear fusion in stars.
The Earth is composed largely of metals and silicate rock, primarily formed from hydrogen and helium, the simplest elements present from the inception of the universe during the Big Bang. Over time, inside the stars, nuclear reactions fusing these elements resulted in the creation of heavier elements, such as silicon and iron. Elements heavier than iron are synthesized through the powerful explosions of supernovas.
Explanation:The earth is composed largely of metals and silicate rock which were formed from hydrogen and helium, the simplest elements present from the inception of the universe during the Big Bang. Over time, inside the vastness of the stars, nuclear reactions fusing these elements resulted in the creation of heavier elements, such as silicon and iron which constitutes most of Earth's materials. This process is known as nucleosynthesis.
As time passes, the proportion of these heavier elements in the raw materials that make new stars and planets increases. Therefore, it can be said that Earth, with its abundance of heavier elements, was only possible after generations of stars had a chance to make and recycle their heavier elements.
Finally, elements heavier than iron are synthesized through the powerful explosions of supernovas. So, in essence, all of Earth's components and our very existence can be traced back to the stars and the nuclear reactions within them.
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A river has a steady speed of 0.500 m/s. a student swims upstream a distance of 1.00 km and swims back to the starting point. if the student can swim at a speed of 1.20 m/s in still water, how long does the trip take? compare this with the time the trip would take if the water were still.
The student would take approximately 33.6 minutes to swim 1 km upstream and then 1 km downstream. Comparatively, if the water were still, the round trip would only take about 27.8 minutes.
Explanation:To calculate the time it takes for the trip upstream and downstream, we must consider the effect of the river's speed on the swimmer's speed.
Upstream: When the student swims upstream, the river speed works against his own speed. Here, we subtract the river's speed from the student's speed: effective speed = 1.20 m/s - 0.500 m/s = 0.700 m/s. The distance he covers is 1.00 km = 1000 m. The time taken going upstream is then t = Distance/Speed = 1000 m / 0.700 m/s = 1428.6 s.
Downstream: When swimming downstream, the river speed aids the student's speed. Now, we add the student's swimming speed to the river's speed: effective speed = 1.20 m/s + 0.500 m/s = 1.70 m/s. With the same distance to cover, the time taken to swim downstream is: t = 1000m / 1.70 m/s = 588.24 s.
In total, the round trip time amounts to: ttotal = 1428.6 s + 588.24 s = 2016.84 s, which is approximately 33.6 minutes.
If the water were still, the student would swim at his own speed both ways: t = 1000 m / 1.20 m/s = 833.33 s each way. So, the total round trip would take: ttotal = 833.33 s × 2 = 1666.66 s, or approximately 27.8 minutes.
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The round trip takes 2017 seconds with the current and 1666 seconds in still water. Swimming upstream and downstream times factor into this calculation.
To determine how long the trip takes for a student swimming upstream and then back downstream, we need to consider both the swimmer’s speed and the speed of the river current.
When swimming upstream:Swimmer's speed relative to ground = Swimmer's speed in still water - River's speed = 1.20 m/s - 0.50 m/s = 0.70 m/s.
Time taken to swim upstream = Distance / Speed = 1000 m / 0.70 m/s = 1429 s.
When swimming downstream:Swimmer's speed relative to ground = Swimmer's speed in still water + River's speed = 1.20 m/s + 0.50 m/s = 1.70 m/s.
Time taken to swim downstream = Distance / Speed = 1000 m / 1.70 m/s = 588 s.
Total time for the round trip = Time upstream + Time downstream = 1429 s + 588 s = 2017 s.
If the water were still, the student's speed would be 1.20 m/s in both directions:
Time for one direction in still water = Distance / Speed = 1000 m / 1.20 m/s ≈ 833 s.
Total time for the round trip in still water= 833 s + 833 s = 1666 s.
Therefore, it takes 2017 s to complete the trip with the current, compared to 1666 s without the current.
A bowling ball at rest is in equilibrium. Is the ball in equilibrium when it moves at constant speed in a straight-line path?
Can someone check if what i wrote so far makes sense and if i made a mistake.
What happens to the force between two charges if the distance between them is tripled?
What does the slope of a line on a graph of motion refer to?
In gym class you run 22 m horizontally, then climb a rope vertically for 6.2 m. What is the direction angle of your total displacement, as measured from the horizontal?
Express your answer using two significant figures and include the appropriate units.
Answer:
[tex]\theta = 16 degree[/tex]
Explanation:
Displacement in horizontal direction(d) = 22 m
displacement in vertical direction(h) = 6.2 m
As we know that total displacement is the straight line which joins the initial position and final position of the object
so here we will have
[tex]tan\theta = \frac{h}{d}[/tex]
now plug in all data in it
[tex]tan\theta = \frac{6.2}{22}[/tex]
[tex]\theta = tan^{-1}(0.282)[/tex]
[tex]\theta = 15.74 degree[/tex]
since we have to give the answer in two significant digit so it is
[tex]\theta = 16 degree[/tex]
what will happen to the soccer ball as it rolls down the ramp?
The question is on science there isnt a choice for science
Explanation of what happens to a soccer ball as it rolls down a ramp due to the gravitational force.
When a soccer ball rolls down a ramp, it behaves similarly to a basketball rolling down a playground slide. As the soccer ball starts rolling down the ramp, its velocity increases due to the force of gravity pulling it towards the Earth's center. This gravity is a consistent force that works on the ball acting down the ramp. On a straight slope, the ball's velocity will increase, and the velocity will be the greatest just before the ball begins to rise up another ramp or before it comes to a stop. The acceleration of the ball is constant while it is on the straight section of the ramp assuming no air friction or rolling resistance. As the ball moves down the ramp, it is transitioning from a state of higher gravitational potential energy to one with higher kinetic energy; the greatest kinetic energy is present when the ball is at the bottom of the ramp, moving at its fastest speed. If the ramp is altered in height or angle, so too will the path and velocity of the soccer ball change.
Which type of friction prevents a pile of rocks from falling apart?
Rolling friction
Kinetic friction
Cohesive friction
Static friction
The disturbance that occurs as longitudional waves travel through a medium can be described as a series of
oscillations and refractions.
destructions and constructions.
propagations and compressions.
rarefactions and compressions.
Answer:
The disturbance that occurs as longitudinal waves travel through a medium can be described as rarefactions and compressions.
Explanation:
As longitudinal waves travel, particles in the medium are pushed together and then pulled apart. We call this rarefactions and compressions.
What element in the third period is a metalloid?
A rock falls freely from rest near the surface of a planet where acceleration due to gravity is 4.0 meters per second per second. what is the speed of this rock after it falls 32 meters?
The speed of the rock after it has fallen [tex]32\text{ m}[/tex] near the surface of the planet is [tex]\boxed{16\text{ m/s}}[/tex].
Explanation:
Given:
The acceleration due to gravity on the surface of the planet is [tex]4.0\text{ m/s}^2[/tex].
The distance through which the rock falls is [tex]32\text{ m}[/tex].
Concept:
As the rock falls near the surface of he planet, it falls freely under the action of the acceleration due to gravity i.e. the gravitational pull of the planet acting on the rock.
The acceleration due to gravity is different on the surface of the different planets. It depends on the mass and radius of the particular planet.
The final speed of the rock after falling through a particular distance is given by the third equation of motion.
[tex]\boxed{v_f^2=v_i^2+2gS}[/tex]
Here, [tex]v_f[/tex] is the final velocity of rock, [tex]v_i[/tex] is the initial velocity, [tex]g[/tex] is the acceleration due to gravity on planet and [tex]S[/tex] is the distance covered by the rock.
As the rock falls from the rest, the initial velocity of the rock will be zero.
Substitute the values in above expression.
[tex]\begin{aligned}v_f^2&=(0)^2+2(4)(32)\\v_f&=\sqrt{256}\\&=16\text{ m/s}\end{aligned}[/tex]
Thus, The speed of the rock after it has fallen [tex]32\text{ m}[/tex] near the surface of the planet is [tex]\boxed{16\text{ m/s}}[/tex].
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Answer Details:
Grade: High School
Subject: Physics
Chapter: Laws of motion
Keywords:
acceleration, gravity, rock, planet, surface, equation of motion, initial, final, distance, velocity, 32 m, 16 m/s.
The speed of a rock falling 32 meters on a planet with 4.0 m/s² gravity is 16 m/s.
To determine the speed of a rock that falls freely from rest near the surface of a planet where the acceleration due to gravity is 4.0 meters per second squared, we can use the following kinematic equation:
v² = u² + 2as
Here:
v is the final velocityu is the initial velocity (0 m/s as the rock falls from rest)a is the acceleration due to gravity (4.0 m/s²)s is the distance fallen (32 meters)Substituting in the given values:
v² = 0 + 2 × 4.0 m/s² × 32 m
v² = 256
Taking the square root to find the speed:
v = √256
v = 16 m/s
Therefore, the speed of this rock after falling 32 meters is 16 meters per second.
1. Which of these statements is not a part of the Cell Theory?
a) The cell is the smallest living unit in all orgasims
b) All living things are made of cells
c) There are two main types of cells
d) All cells come from other pre-existing cells
2. _____ contain genetic material such as DNA.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes
3. ____ plants are an example of me.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes
4. ____ protists are an example of me.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes
5. ____ your body cells are made of this type of cell.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes
6. _____ contain cytoplasm.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes
7. _____ contain membrane-bound organelles.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes
8. _____ contain ribosomes.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes
9. _____ Animals are an example of me.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes
10. _____ fungi are an example of me.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes
11. ____ bacteria are an example of me.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes
12. _____ have a nucleus.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes
13. ___ have a cell membrane.
a) Prokaryote only
b) Eukaryotes only
c) Both Prokaryotes and Eukaryotes
This answer deals with the key differences between prokaryotic and eukaryotic cells, in addition to explaining a part of the cell theory. Eukaryotic cells are usually found in complex organisms like plants, animals, fungi and protists, while prokaryotic cells are found in bacteria. The cell theory does not concern with the types of cells, hence 'there are two main types of cells' is not a part of the cell theory.
Explanation:1. The statement which is not a part of the Cell Theory is 'c) There are two main types of cells.'
2. Both Prokaryotes and Eukaryotes contain genetic material such as DNA.
3. Eukaryotes only plants are an example of me.
4. Eukaryotes only protists are an example of me.
5. Your body cells are made of Eukaryotes only type of cell.
6. Both Prokaryotes and Eukaryotes contain cytoplasm.
7. Eukaryotes only contain membrane-bound organelles.
8. Both Prokaryotes and Eukaryotes contain ribosomes.
9. Eukaryotes only Animals are an example of me.
10. Eukaryotes only fungi are an example of me.
11. Prokaryotes only bacteria are an example of me.
12. Eukaryotes only have a nucleus.
13. Both Prokaryotes and Eukaryotes have a cell membrane.
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The alignment of atoms where the north poles face one way and the south poles face the opposite way is also known as which of the following? A) area B) domain C) properties D) force
The international space station makes 15.65 revolutions per day in its orbit around the earth. assuming a circular orbit, how high is this satellite above the surface of the earth?
The International space station is located at the height of [tex]\boxed{369\,{\text{km}}}[/tex] above the surface of the Earth.
Further Explanation:
The height of the international space station above the surface of the earth is given by the Kepler’s Law of planetary motion. According to this law, the square of time period of the satellite is directly proportional to the cube of the radius of the circular path of the satellite.
Given:
The speed of revolutions made by the International space station is [tex]15.65\,{{{\text{rev}}}\mathord{\left/{\vphantom{{{\text{rev}}}{{\text{day}}}}}\right.\kern-\nulldelimiterspace}{{\text{day}}}}[/tex] .
Concept:
The angular speed of rotation of the International space station is:
[tex]\begin{aligned}\omega&=2\pi\times\frac{{15.65}}{{24\times60\times 60}}\,{{{\text{rev}}}\mathord{\left/{\vphantom{{{\text{rev}}}{{\text{sec}}}}}\right.\kern-\nulldelimiterspace}{{\text{sec}}}}\\&=2\pi\times1.811\times{10^{ - 4}}\,{{{\text{rad}}}\mathord{\left/{\vphantom{{{\text{rad}}}{{\text{sec}}}}}\right.\kern-\nulldelimiterspace}{{\text{sec}}}}\\\end{aligned}[/tex]
The time period of rotation of the International space station is:
[tex]T=\frac{{2\pi }}{\omega }[/tex]
Substitute [tex]\omega[/tex] in above expression.
[tex]\begin{aligned}T&=\frac{{2\pi}}{{2\pi\times1.811\times{{10}^{ - 4}}\,}}\\&=5520.7\,{\text{s}}\\&\approx{\text{5521}}\,{\text{s}}\\\end{aligned}[/tex]
The expression for the Kepler’s law is:
[tex]\begin{aligned}{T^2}&=\left({\frac{{4{\pi ^2}}}{{GM}}}\right){R^3}\\R&={\left({\frac{{GM{T^2}}}{{4{\pi^2}}}}\right)^{\frac{1}{3}}}\\\end{aligned}[/tex]
Here, [tex]G[/tex] is the gravitational constant, [tex]M[/tex] is the mass of the Earth.
Substitute the values in above expression.
[tex]\begin{aligned}R&={\left({\frac{{\left( {6.67\times{{10}^{ - 11}}}\right)\times\left({5.98\times{{10}^{24}}}\right)\times{{\left( {5521}\right)}^2}}}{{4\times{{\left({3.14}\right)}^2}}}}\right)^{\frac{1}{3}}}\\&={\left({\frac{{1.21\times{{10}^{22}}}}{{39.48}}}\right)^{\frac{1}{3}}}\\&=6.74\times{10^6}\,{\text{m}}\\\end{aligned}[/tex]
The radius of the Earth is [tex]6.371\times{10^6}\,{\text{m}}[/tex] .
The height of space station above the surface of Earth is given below:
[tex]\begin{aligned}h&=\left({6.74\times{{10}^6}}\right)-\left({6.371\times{{10}^6}}\right)\\&=3.69\times{10^5}\,{\text{m}}\\&=3{\text{69}}\,{\text{km}}\\\end{aligned}[/tex]
Thus, the International space station is located at the height of [tex]\boxed{369\,{\text{km}}}[/tex] above the surface of the Earth.
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Answer Details:
Grade: High School
Subject: Physics
Chapter: Gravitation
Keywords:
International space station, 15.65 revolutions, circular orbit, around the earth, high, satellite, above the surface, 5521 s, 369 km.
Cecelia dropped a ball from a height of 2 m. The ball fell in a straight path down to the ground. According to Newton’s universal law of gravitation, which would change the path of the ball so it traces out the widest curved path possible?
Answer:
tossing it horizontally at a faster speed
Explanation:
The property that objects have to fall when released from a certain height from the ground was well known since ancient times. For much of our history, the free-falling motion of objects was considered natural, ignoring the need for any causative agent. It was not until the seventeenth century that the English scientist Isaac Newton formulated a theory capable of explaining the cause of these movements and describing them precisely: the law of universal gravitation.
Under this law, free fall is a uniformly accelerated motion and causes any object influenced by the acceleration of gravity to move. This explains why the ball, dropped by Cecelia, fell in a straight path to the ground. According to this law, if Cecelia wanted the ball to travel the widest possible path during the fall, she should play the ball horizontally at a faster speed.
Why are glass fibers stronger than bulk glass?