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Conservation of Energy
Page 5
Questions (268)
You are told 3 things...1. That there are two objects with equal masses. 2. Both objects are in motion. 3. One object has a
1 answer
asked by
Brantley Williams
9 views
You are told 3 things. 1. That there are two objects with equal masses. 2. Both objects are in motion. 3. One object has a
1 answer
asked anonymously
61 views
1000 joules of energy are put into a pulley system, and 400 joules come out. What does the Law of Conservation of Energy imply
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u dont know me
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1000 joules of energy are put into a pulley syastem, and 400 joules come out. what does the law of conservation of energy imply
1 answer
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83 views
An object falls through the air, gaining speed as it falls. A student claims that this creates new energy, and so it breaks the
1 answer
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ski
17 views
A tennis ball is held above the ground and has no kinetic energy. After it is released and before it hits the ground will it
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61 views
An object falls through the air, gaining speed as it falls. A student claims that this creates new energy, and so it breaks the
1 answer
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27 views
The work done in a conservative system(1 point)
Responses is equal to the force of gravity acting on the system is equal to the
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The work done in a conservative system(1 point) Responses is equal to the potential energy stored in the system is equal to the
1 answer
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random
21 views
you are told 3 things...1. That there are two objects with equal masses. Both objects are in motion. 3. One object has greater
1 answer
asked anonymously
59 views
two balls are moving toward each other on a track. The balls collide. A student claims there is a change in energy when the
5 answers
asked by
Exoctic_DrEaMs
37 views
An object falls through the air, gaining speed as it falls. A student claims that this creates new energy, and so it breaks the
1 answer
asked anonymously
17 views
In a chemical reaction, energy is conserved. The Law of Conservation of energy states that energy cannot be created or
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Why is Newton’s cradle (Newton’s balls) described as an “almost-ideal” closed system? Explain your reasoning in one or
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an object falls through the air gaining speed as it falls a student claims that this creats new energy and so it breaks the law
1 answer
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29 views
A ball falls from a shelf. Assuming there is no friction, why is the conservation of mechanical energy independent of mass?(1
1 answer
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Blue Berry
64 views
The first law of thermodynamics states that ΔE= Q− W .
Is this also a statement of the principle of conservation of
1 answer
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22 views
During an emergency stop, a 1.5x10^3-kilogram car lost a total of 3.0x10^5 joules of kinetic energy. What was the speed of the
1 answer
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An object falls through the air, gaining speed as it falls. A student claims that this creates new energy, and so it breaks the
1 answer
asked by
Jojo
40 views
A hawk is chasing a sparrow. At the beginning of the chase, the hawk’s kinetic energy is 5.1 Joules. At the end of the chase,
1 answer
asked by
Somethingishere
61 views
A marble is attached to a compressed horizontal spring and is then released. Which equation correctly shows the conservation of
1 answer
asked by
u don't know me
51 views
An object falls to the air, gaining speed as it falls as student claims that this creates new energy and so it breaks the law of
3 answers
asked by
Help me❤️❤️❤️❤️
38 views
According to law of conservation of energy, energy can be _______.
Breaking the law a transformed from one form to another b
1 answer
asked anonymously
62 views
A ball falls from a shelf. Assuming there is no friction, why is the conservation of mechanical energy independent of mass?(1
1 answer
asked anonymously
16 views
A marble is attached to a compressed horizontal spring and is then released. Which equation correctly shows the conservation of
1 answer
asked anonymously
18 views
A marble is attached to a compressed horizontal spring and is then released. Which equation correctly shows the conservation of
1 answer
asked by
.
24 views
Which best describes the law of conservation of energy?
a. Energy can be created and destroyed in science labs. b. Energy is
1 answer
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28 views
Considering the law of conservation of energy, we believe that a super-duper bouncy ball should keep bouncing - forever. Yet, we
1 answer
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16 views
1000 joules of energy are put i to a pulley system and 400 joules come out. what does the law of conservation of energy imply
1 answer
asked anonymously
22 views
A marble is attached to a compressed horizontal spring and is then released. Which equation correctly shows the conservation of
1 answer
asked by
🤍Taylor Swift🤍
56 views
Considering the law of conservation of energy, we believe that a super-duper bouncy ball should keep bouncing - forever. Yet, we
1 answer
asked anonymously
54 views
A AA
B BB C Their energy is equalTheir energy is equal D There is not enough information
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7 views
The total change in the energy of the system is zero.
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10 views
An object falls through the air, gaining speed as it falls. A student claims that this creates new energy, and so it breaks the
7 answers
asked by
ak555383
21 views
Considering the law of conservation of energy, we believe that a super-duper bouncy ball should keep bouncing - forever. Yet, we
1 answer
asked anonymously
53 views
Look at the chart below that demonstrates the law of conservation of energy as it applies to chemical reactions.
Which 3
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28 views
Which choice below is the best to describe why it is actually impossible to demonstrate conservation in real life, here on
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22 views
Which choice below is the best to describe why it is actually impossible to demonstrate conservation in real life, here on
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20 views
When energy is conserved or transferred, some energy becomes unavailable to do useful work. What happened to the unavailable
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When energy is conserved or transferred, some energy becomes unavailable to do useful work. What happened to the unavailable
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42 views
an object falls through the air, gaining speed as it falls. A student claims that this creates new energy and so it breaks law
1 answer
asked by
avacado
21 views
can you help me with my test plzz. here are the questions and what are the answers. thank you.
A marine scientist measures the
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24 views
Which situation best demonstrates the law of conservation of energy?
a a long distance runner conserving her energy to sprint at
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56 views
The image illustrates the phases of an arrow being launched from a bow.
In what way can the arrow serve as a demonstration of the
1 answer
asked by
anonymous
6 views
What evidence supports the law of conservation of energy?
a) Mechanical energy is converted to chemical energy during
1 answer
asked anonymously
17 views
Kinetic and Potential Energy Quick Check
1 of 41 of 4 Items Question An object falls through the air, gaining speed as it falls.
1 answer
asked by
#Dogmama
32 views
Because of friction
Responses A energy is NOT always conserved.energy is NOT always conserved. B NOT all potential energy is
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14 views
A semi truck and a smart car have the same kinetic energy. Explain how this could be possible 2 sentences.
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asked anonymously
10 views
Based on the law of Conservation of Energy, what quantity must always remain the same in a closed system?
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asked anonymously
8 views
based on the law of conservation of energy, what quantity most always remain the same in a closed system
1 answer
asked by
cup
9 views
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Parent Categories (26)
Chemistry
Classical mechanics
Collisions
Dynamics
Energy
Energy and Motion
Energy and Work
Energy Transfer
Forces and Motion
Forms of energy
Kinematics
Kinetic Energy
Laws of Energy
Laws of motion
Laws of physics
Laws of Thermodynamics
Mechanical energy
Mechanics
Motion
Particle Physics
Pendulum
Physical Science
Physics
Thermodynamics
Work and Energy
Work, Power, and Energy