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A rock that falls off a cliff demonstrates both potential and kinetic energy. Which is the best comparison of these two forms of energy?
The car has a large amount of potential energy at the top of the ramp, which is converted into kinetic energy
Kinetic
Potential energy → Kinetic energy → Sound energy
electric fan
lifting a bag of groceries
it can do work more quickly
the sum of the potential and kinetic energy
As the kinetic energy increases, the potential energy decreases.
The motor of one car is more powerful than the motor of another car. Which of the following must be true of the more powerful motor?
The car has a large amount of potential energy at the top of the ramp, which is converted into kinetic energy
Kinetic
Potential energy → Kinetic energy → Sound energy
electric fan
lifting a bag of groceries
it can do work more quickly
the sum of the potential and kinetic energy
As the kinetic energy increases, the potential energy decreases.
Which of the following is the best example of work being done on an object?
The car has a large amount of potential energy at the top of the ramp, which is converted into kinetic energy
Kinetic
Potential energy → Kinetic energy → Sound energy
electric fan
lifting a bag of groceries
it can do work more quickly
the sum of the potential and kinetic energy
As the kinetic energy increases, the potential energy decreases.
Which of the following converts electrical energy into motion?
The car has a large amount of potential energy at the top of the ramp, which is converted into kinetic energy
Kinetic
Potential energy → Kinetic energy → Sound energy
electric fan
lifting a bag of groceries
it can do work more quickly
the sum of the potential and kinetic energy
As the kinetic energy increases, the potential energy decreases.
A toy car is placed at the top of a ramp and released. Which situation describes how the cars energy is transformed?
The car has a large amount of potential energy at the top of the ramp, which is converted into kinetic energy
Kinetic
Potential energy → Kinetic energy → Sound energy
electric fan
lifting a bag of groceries
it can do work more quickly
the sum of the potential and kinetic energy
As the kinetic energy increases, the potential energy decreases.
What does the mechanical energy of a system include?
The car has a large amount of potential energy at the top of the ramp, which is converted into kinetic energy
Kinetic
Potential energy → Kinetic energy → Sound energy
electric fan
lifting a bag of groceries
it can do work more quickly
the sum of the potential and kinetic energy
As the kinetic energy increases, the potential energy decreases.
As the velocity of a runner increases, which type of energy also increases?
The car has a large amount of potential energy at the top of the ramp, which is converted into kinetic energy
Kinetic
Potential energy → Kinetic energy → Sound energy
electric fan
lifting a bag of groceries
it can do work more quickly
the sum of the potential and kinetic energy
As the kinetic energy increases, the potential energy decreases.
Thomas watches an orange fall from a tree to the ground. Which best describes the flow of energy as the orange falls and hits the ground?
The car has a large amount of potential energy at the top of the ramp, which is converted into kinetic energy
Kinetic
Potential energy → Kinetic energy → Sound energy
electric fan
lifting a bag of groceries
it can do work more quickly
the sum of the potential and kinetic energy
As the kinetic energy increases, the potential energy decreases.
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