Introduction to Energy Answers

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3

Bridget is riding her bicycle up a hill. Which statements are correct? Select five options.Bridget is transferring energy to the bicycle.The bicycle is using energy to do work.Bridget has kinetic energy.The bicycle has potential energy.Bridget has nuclear energy.The bicycle has mechanical energy.

A
Bridget is transferring energy to the bicycle.
B
The bicycle is using energy to do work.
C
Bridget has kinetic energy.
D
The bicycle has potential energy.
E
Bridget has nuclear energy.
F
The bicycle has mechanical energy.
4

A yellow ball with a mass of 2 kg is rolling across the floor at 3 m/s. A red ball with a mass of 3 kg is rolling across the same floor at 3 m/s. Which ball has greater kinetic energy, and why?

A
The yellow ball has greater kinetic energy, because it is rolling at a higher position above the ground.
B
The red ball has greater kinetic energy, because it has a greater mass.
C
The yellow ball has greater kinetic energy, because it is rolling at a greater speed.
D
The red ball has greater kinetic energy, because it is releasing more thermal energy.

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Introduction to Energy Answers — Fall 24 GSE…