Neglecting air resistance, once a tossed ball leaves your hand
The motion of the ball after it leaves your hand is mentioned below -
We have the following statement -
" Neglecting air resistance, once a tossed ball leaves your hand ".
We have to predict the further motion of the ball.
What is Air Resistance?Air resistance describes the forces that are in opposition to the relative motion of an object as it passes through the air.
According to the question -
After the ball leaves the hand, the following things will happen -
The ball will move upward and attain a maximum height.The force of gravity will act on it and will attract the ball downwards.The ball will down with an acceleration of 9.8 m/[tex]s^{2}[/tex].In the end, it will reach the ground.Hence, the complete motion of the ball is predicted.
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While looking at bromine (Br) on the periodic table, a student needs to find another element with very similar chemical properties but with a different atomic mass. Which best describes the student’s options? There are two possible elements, and they are directly to the left and right of bromine. There are two possible elements, and they are directly above and below bromine. There are many possible elements, and they are all in the same vertical column as bromine. There are many possible elements, and they are all in the same horizontal row as bromine.
Answer: There are many possible elements, and they are all in the same vertical column as bromine
Explanation: All the elements in the same vertical columns or same groups have similar chemical properties due to the presence of similar valence shell configurations but have different masses as the number of protons and neutrons keep on increasing on moving down the group.
All the halogens (members of fluorine group) are short of one electron each to attain their stable noble gas configuration and hence behave similarly.
[tex][X]:ns^2np^5[/tex]
The elements present in the same horizontal row or same period differ in the chemical properties as they have different valence shell configurations.
The option which best describes the student's opinion is that
there are many possible elements, and they are all in the same
vertical column as bromine.
What is a Group?A group in the periodic table is the vertical section which
contains elements of the same number of valence electrons and
similar chemical properties.
Bromine for example belong to group 17 which contains other
elements such as:
IodineChlorine etc.Read more about Groups here https://brainly.com/question/6971881
Can someone help me with psychology I am failing and need to bring my grade up.
3. The function of the _______ is to convert the up-and-down motion of the piston into rotary motion that can be used to power the vehicle.
Answer:
crankshaft
Explanation:
it is the CRANKSHAFT because this is what goes around
Does a 2000 mercury cougar have a timing belt
Which of the following statements about entrepreneurs in the U.S. is correct?
Select the best answer from the choices provided.
New category-killer stores like Home Depot and Barnes and Noble provide entrepreneurs with help and ideas.
Lobbying by businesses helps create free-market incentives that help entrepreneurs.
Many professionals, such as doctors, hair dressers, and programmers, work as entrepreneurs in their own businesses.
All of the answers are correct.
NextReset
The correct statement is that various professionals like doctors and programmers often engage in entrepreneurship in the U.S., contributing to a diverse and innovative economy. Entrepreneurs are essential to developing new technologies and services, enhancing competition, and driving wealth creation within the free enterprise system.
Explanation:The correct statement about entrepreneurs in the U.S. is that many professionals, such as doctors, hairdressers, and programmers, work as entrepreneurs in their own businesses. These individuals utilize their skills and expertise to start and manage their ventures, contributing to a dynamic and diverse economy.
Entrepreneurs are not just limited to starting new ventures; they are also pivotal in introducing innovative technologies and improvements that enhance productivity and efficiency within various industries. They are often motivated by the potential for monetary success and the opportunity to introduce superior products or services to the market. Competition resulting from entrepreneurial endeavors can lead to better quality products at lower prices for consumers.
In the U.S. free enterprise system, entrepreneurs enjoy individual freedom to develop their ideas, which leads to a varied marketplace with responsive pricing and investment opportunities. This fosters the creation of wealth not only for the entrepreneurs themselves but also for the broader economy through job creation and tax revenues.
A 55 kg baseball player slides into third base with an intial speed of 4.6 m/s.if the coefficient of kinetic friction between the player and the ground is 0.46, what is the player's acceleration?
The baseball player's acceleration, considering the coefficient of kinetic friction and his mass, is roughly -4.5 m/s². The negative sign indicates a deceleration due to friction.
Explanation:This is a problem involving Physics, specifically the concept of friction and acceleration. Here, we have a baseball player, with a mass of 55 kg, sliding into third base. The coefficient of kinetic friction between the player and the ground is stated to be 0.46. We'll use these values to calculate the player's acceleration.
The equation representing the force due to friction (Ff) is μmg, where μ is the coefficient of friction, m is mass and g is gravity (9.8 m/s²). Here, we insert the given values and find Ff to be approximately 247.34 N. Since Ff = ma (force is mass times acceleration), we can find the acceleration by rearranging to a = Ff/m. Inserting our values, we find the acceleration to be approximately -4.5 m/s².
The negative sign denotes that this is a deceleration force, as expected since the friction slows down the player.
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A bug flies at a velocity of 0.75 m/s into an oncoming breeze blowing at 0.25 m/s. What is the resultant velocity of the bug?
A 0.0 M/S
B0/25 M/S
C 0.50 M/S
D 1.0 M/S
The inclusion of the scientific method in psychology is so important because it
a) Create an important field in neurobiology
b) Allowed psychology to be equal to astrology
c) Allowed psychology to be considered a science
d) Helped scientists prove that the theory of demonology was valid
I know this question is from 2017 but I am doing this for anyone else that is looking for a answer. The answer should be C.) Allowed psychology to be considered a science.
A blacksmith heats a 1,540 g iron horseshoe to a temperature of 1445°c before dropping it into 4,280 g of water at 23.1°c. if the specific heat of iron is 0.4494 j / g °c, and the water absorbs 947,000 j of energy from the horseshoe, what is the final temperature of the horseshoe-water system after mixing
The final temperature of the horseshoe-water system can be found by setting the equation of heat lost by the horseshoe equal to the equation of heat gained by the water and solving for the common final temperature.
Explanation:To solve this problem, we need to use the principle of conservation of energy, which states that total energy before and after the heat transfer should be equal. So, the heat lost by the horseshoe should equal the heat gained by the water.
Heat lost by the horseshoe = mass * specific heat * change in temperature = 1540g * 0.4494 J/g°C * (1445 - x)°C = 1540(0.4494)(1445 - x) J, where 'x' is the final temperature.
Since the water absorbs 947000 J from the horseshoe, this value is the heat gained by the water = mass * specific heat * change in temperature = 4280g * 4.184 J/g°C * (x - 23.1)°C = 4280(4.184)(x - 23.1) J
By setting the two equations above equal to each other (since the heat lost by the horseshoe equals the heat gained by the water), we find: 1540(0.4494)(1445 - x) = 4280(4.184)(x - 23.1)
Solving this equation will give us the final temperature 'x' for the horseshoe-water system after mixing.
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The BEST example of diffraction is the image of A) your face as it appears in a mirror. B) a pencil that appears broken in a glass of water. C) a ring around the Sun caused by particles in the air. D) a fingerprint that appears to be enlarged under a magnifying glass.
_________ are exchanged or shared during the formation of a chemical bond.
name one benefit and one limitation of Comparative investigations
Answer:
Comparative investigations provide large amounts of information and use a wide range of variables. However, they may reveal relationships that do not always indicate cause and effect.
Explanation:
i took the test
What does the variable p stand for in physics?
In physics, the variable p predominantly represents linear momentum of a particle, defined as p = mv. It also stands for pressure (P) in thermodynamics and the density of charge (rho) in contexts involving electricity and magnetism. Additionally, it signifies a constant pressure condition when measuring specific heat.
Explanation:The variable p in physics stands for several concepts depending on the context in which it's used. Primarily, p denotes linear momentum of a particle, defined by the equation p = mv, where m is the mass of the particle, and v is its velocity. The choice of the letter p for momentum is historically attributed to the Latin word "impetus." In the realm of thermodynamics and statistical physics, P represents pressure, an intensive variable indicating the force per unit area applied in a direction perpendicular to the surface of an object. Notably, in the context of relativity, the term p also refers to a component of the four-momentum, indicative of how the total energy and momentum of a particle remain constant across different frames of reference.
Another important distinction is the use of p (rho) to represent the density of charge, expressed in coulombs per cubic meter. Additionally, in thermodynamics, the subscript p is used to denote processes that occur at constant pressure, particularly in the method used for measuring the specific heat of solids and liquids. Understanding the application of p in these different contexts requires acknowledgment of the diversity and depth within the field of physics, highlighting its role as a fundamental variable across various domains.
A student drew the following model:
Mantle...convection...volcano...cooling...crust...motion...
Which landform should the student put next in the sequence?
A: Fault
B: Mountain
C: Tectonic plates
D: Rock formation
Answer: C Tectonic Plates
Explanation:
Answer:
C. Tectonic plates.
Explanation:
The series given in the question is mantle...convection...volcano...cooling...crust..motion and then tectonic plate is next.
here the process started in mantle where hot lava was moving and due to convection, this molten lava came on the the surface in the form of volcano and cooled down and rocky crust was formed and the moving crust is known as tectonic plates.
from an origin you walk 3 meters east 7 meters west and then 6meters east . where are you now relative to the origin?
PLZZZ HELP!!! What is the main difference between a permanent magnet and a temporary magnet?
A permanent magnet is made of a ferromagnetic material, while a temporary magnet is not.
A temporary magnet attracts only metal objects, while permanent magnets attract both metal objects and other magnets.
The domains in a temporary magnet easily lose alignment, but the domains in a permanent magnet keep their alignment.
There are domains in a permanent magnet, but not in a temporary magnet.
Answer: The correct answer is "The domains in a temporary magnet easily lose alignment, but the domains in a permanent magnet keep their alignment".
Explanation:
Permanent magnet: Bar magnet is the example of the permanent magnet.
The poles of the temporary magnet can not be changed. The strength of the magnetic field can not be increased or decreased. The domains of the permanent are permanent aligned.
Temporary magnet: Electromagnet is the example of the temporary magnet.
The poles of the temporary magnet can be changed. The strength of the magnetic field can be increased or decreased. If the current will not flow in the electromagnet then it will easily loose its magnetism. The domains in a temporary magnet easily loose alignment.
Therefore, the correct difference between a permanent and a temporary magnet is "The domains in a temporary magnet easily lose alignment, but the domains in a permanent magnet keep their alignment".
As light waves enter the eye, which three structures do they pass through first?
Light waves entering the eye first pass through the cornea, then through the pupil, and finally through the lens, before being focused onto the retina.
As light waves enter the eye, they pass through three main structures before reaching the retina where they are detected by photoreceptor cells. The first structure light encounters is the cornea, which is a transparent layer at the front of the eye. After the cornea, light travels through the pupil, which is the opening in the center of the iris that can adjust in size to control the amount of light entering the eye. Finally, light passes through the lens, which focuses the light waves onto the retina. The cornea and the lens are responsible for most of the eye's refractive power, ensuring images are sharply focused.
The ionosphere is a layer of the atmosphere located inside the _____.
Answer:
The ionosphere is a layer of the atmosphere located inside the Thermosphere.
Explanation:
Ionosphere: It is an upper layer present in the atmosphere,which has different ionized layers through which electricity is conducted. It is present within the thermosphere.
The ionosphere has three layers:
1.F layer
2.E layer
3.D layer
A NASA centrifuge spins astronauts around in a compartment attached to a long arm. A diagram of the centrifuge is shown below.
c. If the arm has a radius of 7.1 m and spins the astronaut with a speed of 13.5 m/s, what is the acceleration of the astronaut? (1 point)
d. The maximum acceleration the centrifuge can produce is 14.5 g. What is this acceleration in m/s2? (2 points)
e. How fast would the compartment have to move to produce an acceleration of 14.5 g? (1 point)
For D) you just take the number if g 145 and the acceleration of gravity 9.80665. You should of got 145 × 9.80665 = 14.5 ---
If the accepted value of a wave is 121 m/s, who has the most accurate method of measuring the speed of a wave?
Answer: B. Erin
Explanation: She is the closest to 121 with 124 which is the most accurate.
What is the relationship between wavelength and frequency? is it direct or inverse?
Answer:
inverse
Explanation:
A giraffe trots 3.40 km due north, then 2.60 km due west. what is the magnitude of its displacement?
If a giraffe trots 3.40 km due north , then 2.60 km due west, then the magnitude of the displacement would be 4.28 kilometers .
What is displacement ?An object's position changes if it moves in relation to a reference frame, such as when a passenger moves to the back of an airplane or a professor moves to the right in relation to a whiteboard. Displacement describes this shift in location .
As given in the problem if a giraffe trots 3.40 km due north, then 2.60 km due west , then we have to find out the magnitude of the displacement,
The magnitude of the displacement of the giraffe = √ ( 3.40² + 2.60² )
= 4.28
Thus , the magnitude of the displacement of the giraffe would be 4.28 kilometers .
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When you push a 1.90-kg book resting on a tabletop, you have to exert a force of 2.10 N to start the book sliding. Once it is sliding, however, you can use a force of only 1.06 N to keep the book moving with constant speed. Part A What is the coefficient of static friction between the book and the tabletop?
When you push a 1.90-kg book resting on a tabletop with a force of 2.10 N, the coefficient of static friction between the book and the tabletop is 0.11.
A) When the book is resting on a tabletop and then is pushed with a force of 2.10 N, we have:
[tex] F - F_{\mu_{s}} = ma [/tex] (1)
Where:
F: is the applied force = 2.10 N
[tex]F_{\mu_{s}}[/tex]: is the force due to the coefficient of static friction = [tex]\mu_{s}N[/tex]
m: is the mass of the book = 1.90 kg
a: is the acceleration
N: is the normal force = mg
g: is the acceleration due to gravity = 9.81 m/s²
[tex] \mu_{s}[/tex]: is the coefficient of static friction =?
Since the book is at rest, the acceleration is zero, so equation (1) is:
[tex] F - F_{\mu_{s}} = 0 [/tex]
[tex] F - \mu_{s}N = 0 [/tex]
[tex] F - \mu_{s}mg = 0 [/tex]
Solving the above equation for [tex]\mu_{s}[/tex] we have:
[tex] 2.10 N - \mu_{s}*1.90 kg*9.81 m/s^{2} = 0 [/tex]
[tex] \mu_{s} = \frac{2.10 N}{1.90 kg*9.81 m/s^{2}} = 0.11 [/tex]
Therefore, the coefficient of static friction is 0.11.
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discuss the changes in potential energy and kinetic energy and total energy for skateboarder going up and down on a half pipe ramp
In regards to basic motion, the total energy is simply the sum of potential energy and kinetic energy. Potential energy is dependent with position.
Going up:
Potential energy increases, Kinetic energy decreases, Total energy is constant
Going down:
Potential energy decreases, Kinetic energy increases, Total energy is constant
It's actually 175 J for the answered you got from ingenuity so i hope this helps
Swamps differ from marshes in that swamps _____.
(A) Are rich in waterfowl
(B) Are dominated by grasses and rushes
(C) Have acidic soil
(D) Are dominated by trees and shrubs
Final answer:
Swamps are notably different from marshes due to the dominance of trees and shrubs in their ecosystem. (Option D)
Explanation:
Swamps differ from marshes in that swamps are dominated by trees and shrubs. While marshes are typically characterized by their grass and rush-dominated vegetation, swamps distinguish themselves with a more wooded environment. This means that a swamp's ecosystem typically revolves around a dense canopy formed by trees and shrubs, providing a unique ecological habitat.
Furthermore, this habitat often boasts slow water flow, just like marshes, yet it features a different array of plant and animal life thanks to the domination of woody plants. This distinction in vegetation composition between swamps and marshes contributes to the diverse ecological niches and biodiversity within these wetland ecosystems, reflecting the adaptability of flora and fauna to their specific habitat structures.
A baseball has a mass of 0.145 kilograms, and a bowling ball has a mass of 6.8 kilograms. What is the gravitational force between them if their centers are 0.5 m apart?
1.0 × 10–13 m
1.3 × 10–10 m
2.6 × 10–10 m
1.1 × 10–8 m
The gravitational force between the balls will be 2.6 × 10⁻¹⁰ N. The correct option is C.
What is a gravitational force?In mechanics, gravity—also known as gravitation—is the constant force of attraction that pulls all things together.
According to newton's law of gravitation, the force between the bodies is directly proportional to the product of the masses and inversely proportional to the distance between them.
Given that a baseball has a mass of 0.145 kilograms, and a bowling ball has a mass of 6.8 kilograms.
The formula for Newton's Law of Gravitation can be used.
Fg = (Gm₁m₂)/r²
Where gravitational constant = G = 6.674 x 10⁻¹¹ N · m²/kg²
mass m₁ = 0.145 kg
mass m₂ = 6.8 kg
distance between centers of masses = r = 0.5 m
Substitute the values in the formula below:-
Fg = (Gm₁m₂)/r²
Fg = ((6.674 x 10⁻¹¹)(0.145)(6.8)) / (0.5)²
Fg = 2.63 x 10⁻¹⁰ N
Therefore, the gravitational force between the balls will be 2.6 × 10⁻¹⁰ N. The correct option is C.
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How do we feel texture?
____ use multiple infrared beams that are aimed across a doorway and positioned so that as a person walks through the doorway some beams are activated.
What does a negative moment of inertia mean?
To solve this we must be knowing each and every concept related to moment of inertia and its calculations. Therefore, moment of inertia mean of an object can not be negative. A negative moment of inertia has no significance.
What is moment of inertia?Moment of inertia, also known as angular mass and rotational inertia, is a number that determines the amount of torque necessary for a specific angular acceleration or even a quality of a body that opposes angular acceleration.
No. The inertia moment is defined as the product of mass, time, and distance to the rotational axis squared. The combination is always positive since mass has always been positive and the squares of any real integer is always positive.
Therefore, moment of inertia mean of an object can not be negative. A negative moment of inertia has no significance.
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In classical mechanics, it typically refers to a system or object that, under these conditions, displays aberrant behaviour or characteristics at conflict with classical mechanics.
Moment of inertia is a characteristic used in classical mechanics to measure an object's resistance to circular motion. It always has a positive value or zero, denoting how mass is distributed along a rotational axis.
However, the idea of a negative moment of inertia might occur in some complex mathematical situations or in specialised domains like quantum mechanics.
Thus, it usually denotes a system or item under these circumstances that exhibits anomalous behaviour or features that are at odds with classical mechanics.
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