Calculate the G.P.E. in joules of a 675-newton climber at the top of a 3,050-meter mountain in Colorado.
Answer:2673
Explanation:
Final answer:
The gravitational potential energy (G.P.E.) of a 675-newton climber at the top of a 3,050-meter mountain is calculated as 2,058,750 Joules.
Explanation:
To calculate the gravitational potential energy (G.P.E.) of a 675-newton climber at the top of a 3,050-meter mountain in Colorado, we use the formula G.P.E. = weight × height × acceleration due to gravity (g = 9.8 m/s²). Assuming that the weight given is the force due to gravity on the climber, the weight already accounts for the gravitational acceleration, so we do not need to multiply by 9.8 m/s² again. Therefore, the G.P.E. is simply the product of the weight and the height.
G.P.E. = 675 N × 3,050 m
G.P.E. = 2,058,750 Joules
Thus, the climber has a gravitational potential energy of 2,058,750 Joules at the top of the mountain.
Why do some environmental groups oppose tidal energy?
Answer:
Environmental groups oppose tidal energy because of the following potential negative consequences:
By changing the flow of tides with dams, there can be negative impact on the aquatic shoreline of the ecosystem;building of barrages may affect the sedimentation and turbidity of water within water basinsthere are animals what depend on the flow of tides for existence feeding and movement. The techology which captures the energy produced by the ties and converts them to electricity may affect the natural flow fo the tides thus impactin negatively on the aquatic and non-aquatic habitat.Cheers!
Which of the following is an example of velocity ?
A. 10
B. 10 m/s to the right
C. 10 m to the right
D. 10 m/s
10 m/s to the right is an example of the velocity of an object. Thus, the correct option is B.
What is Velocity?Velocity can be defined as the directional speed of an object which is in motion as an indication of the rate of change in the position of an object as observed from a particular frame of reference by the observer and it is measured by a particular standard of time.
Velocity is a vector quantity. This is because, velocity has both the magnitude and direction. The SI unit of velocity is meter per second. The velocity of an object can be calculated by the formula:
Velocity = Displacement/ Time
Therefore, the correct option is B.
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What is Agent Object Notation? ( For Force Diagrams. )
how would you describe a meter in english units
Answer: a little longer than a yard (about 3 ft)
Explanation:
A 0.5 kg ball is tied to a swung in a circle with a radius of 0.400m.If the ball is accelerating at 58.8 m/s^2,what is the tangential velocity of the ball?
A gas tank holds 50L. If the density of gasoline is 0.7g/ml, how much mass will the tank of gas have?
Describe Rutherford's contribution to the atomic model.
Answer:
Rutherford brought the concept of a nucleus. He said that the atom "had a tiny and heavy nucleus."
what's the difference between asexual reproduction and sexual reproduction?!?!
Which of the following is true?
A.
The Earth exerts a gravitational force on the Moon, but the Moon does not exert a gravitational force on the Earth.
B.
The Moon exerts a gravitational force on the Earth, but the Earth does not exert a gravitational force on the Moon.
C.
The Earth and Moon do not exert gravitational forces.
D.
The Earth and Moon both exert a gravitational force on each other.
Answer:D.
The Earth and Moon both exert a gravitational force on each other.
Explanation: 100% right
Letter A on this diagram is an example of
A.) vaporization
B.) condensation
C.) sublimation
D.) deposition
describe the properties of gases
Answer:
Gases has the following properties:
i) Gases are less dense than liquids and solids
ii) Gases molecules has large space between them so, they can be easily compressed
iii) Gases has indefinite shape and volume
iv) Gases can occupy all the space provided
v) Gases molecules has random motion and collisions
vi) When gases are heated their volume increases
vii) Gases can diffuse from one place to another due to the difference of concentration of molecules
To determine the density of an object, which set of instruments would be helpful?
triple beam balance and meterstick
The set of instruments that would be helpful to determine the density of an object are triple beams balance and meterstick
Triple beam balance refers to an instrument that can be used to measure the mass of different objects. It is called triple beam balance because it is made up of three beams.
Further ExplanationEach of the beams has different weights and their size matches the gradations of the notched scale present on each of the beam. The size of the beams varies, the middle beam has the largest size, the far beam has a medium size and the font beam is the smallest size.
The basic parts of a triple beam include:
Weight pan: the object to be weight is placed on the weight panBase: the base is beneath the weight pan and can be set up to properly fit on the workbenchBeam: the beams can be used to get the level of precisionRiders: they are on top of the beams and indicates the mass (g) of an objectPointers: the pointer marks the mass of the object on the scaleZero adjustment knob: the knob are used to set the beam balance to zero marks before useAlso, meterstick can be helpful to determine the density of an object
LEARN MORE:
To determine the density of an object, which set of instruments would be helpful? https://brainly.com/question/6286782To determine the density of an object, which set of instruments would be helpful? https://brainly.com/question/14239000KEYWORDS:
densityobjectmeterstickpointersknobtriple beams balanceIf the mass of a material is 43 grams and the volume of the material is 14 cm^3, what would the density of the material be
A planet is orbiting a nearby star. Suppose that the star’s gravity increases over time. What effect will this increase most likely have on the planet’s path of motion?
Answer:
B
Explanation:
Which of the following is a method of purifying water?
A. Fixation
B. Adding iodine
C. Freezing
D. Aeration
I’m between c & d
Please i really need help..
What energy transformation occurs when a battery-powered flashlight is switched on?
A.) chemical to light to electrical
B.) electrical to light to chemical
C.) chemical to electrical to light
D.) electrical to chemical to light
Answer:
its chemical to electrical to light, I took the test and it was right, hope this helps!
Explanation:
[BWS.02] Jim plans to plant coffee beans on the farm. Coffee needs warm, moist, and sunny climate. It always snows for four months, starting from November, in the location where Jim lives. The temperature is generally moderate from June to October. Based on scientific knowledge, which of these would be the best month to plant coffee?
Final answer:
The optimal month for Jim to plant coffee beans is June, before the snow season and during the warm, moist climate period. Climatic factors and temperature changes due to climate change should also be considered in planning for coffee production.
Explanation:
The best month for Jim to plant coffee beans on his farm, considering the climate requirements for coffee growth (warm, moist, and sunny conditions) and the pattern of snow from November, would be June. This period, just after the moderate temperatures from June to October, would offer the newly planted coffee trees the optimal window for warm temperatures before the cold, snowy conditions set in. It's important for Jim to avoid the snow season and capitalize on the warm and moist period for the plantation.
Moreover, climate change has been an increasing concern for coffee production globally. In regions like Colombia, rising temperatures and changes in precipitation have adversely affected coffee output, requiring the development of new agricultural methods. Jim should be aware of and prepared to respond to these challenges by considering shade-grown coffee and soil health management to potentially mitigate climate change impacts.
Which of the following is a type of object that might contain billions of stars?
A.
a solar system
B.
a galaxy
C.
an asteroid
D.
a planetary system
Answer:
A galaxy because that is the largest group and contains many things.
Explanation:
PLEASE HELP ME WITH THIS.......
An object 15cm high is 30cm from a pinhole camera.if the height of the image formed at the back of the camera is 10cm,the image distance is?
TO solve this problem, we simply need to use ratio and proportion. From the statement problem we can say the ratio height : distance, so that: (let us say that X is the image distance)
15 cm : 30 cm = 10 cm : X
We know that the symbol : means division so:
15 cm / 30 cm = 10 cm / X
X = 10 cm * 30 cm / 15 cm
X = 20 cm
So the image distance is 20 cm
a boat is travelling at a velocity of 45m/s S. if the current of the river is moving at a velocity of 15m/s due east, what is the resultant velocity of the boat
vy = 10 m/s v2
y + v
2
x = v
2
ground
vx = 1.5 m/s (10)2 + (1.5)2 = v
2
ground
vground = 10.11 m/s
tan θ =
10
1.5
θ = 81.47
Answer:
Explanation:
31 m/s
23° north of east
When the thermal energy of a material decreases, _____.
it melts
its temperature decreases
its temperature increases
the surrounding environment cools off
D. The surrounding environment cools off
two people are pushing a box north across the floor. on person pushes with a force of 20n, the other person pushes with an unknown force. if the net force acting on the box is 35n north, what is the unknown force?
Element of thunderstorms heavy rain
' should be presented—a succinct paragraph that encapsulates your main points and directly addresses the question asked. Secondly, an '
When crafting your answer, it is crucial to address all parts of the question and to support your points with evidence from provided readings or relevant knowledge. Aim for an in-depth exploration of the question rather than surface-level commentary. Avoid long rambling answers that stray from the main points. As per the instructions, a thorough response should contain a minimum of 3 to 4 well-developed paragraphs, with each paragraph consisting of at least 5 to 6 sentences. This format demonstrates a robust engagement with the question and reflects a high level of effort in constructing a considered response that is free of spelling and grammar errors.
Why would machine-operated stopwatches be used at sports events instead of hand-operated stopwatches?
The longest kick in CFL history was 83.2 metres. If the ball remained in the air for 4.12 seconds
Two objects of the same mass are on two different planets. Planet A has a force of gravity that is stronger than that of Planet B. How will the weights of the objects compare to each other?
Objects of the same mass on different planets will have different weights depending on the local gravity. An object will weigh more on Planet A with stronger gravity than on Planet B with weaker gravity, even though the mass is constant.
Explanation:Two objects with the same mass on different planets will have different weights if the planets have different strengths of gravitational force. On Planet A, where the force of gravity is stronger, an object will weigh more compared to its weight on Planet B, where the force of gravity is weaker. This is because weight is the force exerted by the gravitational field of a planet on an object, which can be calculated using the equation F = ma, where m is the mass and a represents the acceleration due to gravity (g) on that planet. Therefore, if gravity is stronger on Planet A, the acceleration due to gravity is greater, resulting in a greater weight for the object, even though its mass remains unchanged.
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The weights of two objects with the same mass will differ on different planets due to varying gravitational forces. The object on the planet with the stronger gravitational force will weigh more.
The weights of objects depend on both their mass and the gravitational force acting upon them. Since both objects have the same mass but are on different planets with different gravitational forces, their weights will differ.
Specifically, the object on Planet A, which has a stronger force of gravity, will weigh more than the object on Planet B, which has a weaker gravitational force.
Weight is calculated by the equation:
Weight = Mass × Gravitational Force
If the gravitational force on Planet A is stronger, then for the same mass, the weight will be greater. For example, if an object has a mass of 10 kg and Planet A has a gravitational force of 15 N/kg, the weight will be:
Weight = 10 kg × 15 N/kg = 150 N
If the same object is on Planet B with a gravitational force of 10 N/kg, then the weight will be:
Weight = 10 kg × 10 N/kg = 100 N
Thus, even though the mass of the objects is the same, their weights are different due to the different gravitational forces on each planet.
If the archerfish spits its water 60. degrees from the horizontal aiming at an insect 2.0 m above the surface of the water, how fast must the fish spit the water to hit its target? The insect is at the highest point of the trajectory of the spit water. Use g = 10. m/s2.
Answer: To hit the target fish must spit with the velocity of 7.30 m/s.
Explanation:
Highest point of the trajectory = H = 2 m
Angle at which archer fish spit = θ = 60°
Acceleration due to gravity = g = 10 [tex]m/s^2[/tex]
The maximum height of the projectile is given as:
[tex]H=\frac{u^2\sin^2\theta }{2g}[/tex]
[tex]2 m=\frac{u^2\sin^2(60^o)}{2\times 10 m/s^2}[/tex]
[tex]\sin 60^o=\frac{\sqrt{3}}{2}[/tex]
[tex]u^2=\frac{2 m\times 2\times 10 m/s^2\times 4}{3}=53 m^2/s^2[/tex]
[tex]u=7.30 m/s[/tex]
To hit the target fish must spit with the velocity of 7.30 m/s.
To hit the target fish must spit with the velocity of 7.30 m/s.
Highest point of the trajectory = H = 2 m
Angle at which archer fish spit = θ = 60°
Acceleration due to gravity = [tex]g = 10 m/s^2[/tex]
The maximum height of the projectile is given as:
[tex]H=(u^2\sin^2\theta )/(2g)[/tex]
[tex]2 m=(u^2\sin^2(60^o))/(210m/s^2)[/tex]
[tex]\sin 60^o=\sqrt{(3)/(2)}[/tex]
[tex]u^2=(2 m \times2 10 m/s^2 4)/(3)=53 m^2/s^2[/tex]
u=7.30 m/s
CO2,NaCl,HCl these maybe classified as a) elements and compounds b) elements and molecules C) elements and pure substances D) compounds and pure substances
How do consumers sometimes interact with producers?
Explanation:
The food chain consists of autotrophs (producers) and heterotrophs (consumers). All animals and plants fall into these categories.
The autotrophs are the first stage of the food chain. They are mostly plants. They use the radiation from the sun to fulfill their energy needs. In doing this process the autotrophs release oxygen. The process is known as photosynthesis. The plants take in carbon dioxide in the atmosphere released by heterotrophs during respiration and the plants in turn release carbon dioxide. Also, autotrophs provide a food source for the heterotrophs.
Every producer and consumer interact in some way, completing food chain.