A. sound energy to chemical energy B. chemical energy to sound energy

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Presentation transcript:

When you turn on a radio, what type of energy transformation takes place? A. sound energy to chemical energy B. chemical energy to sound energy C. electrical energy to sound energy D. sound energy to electrical energy

A student rolls these four items on the same surface and at the same speed. Which item will have the greatest kinetic energy? a. marble b. basketball c. beach ball d. table tennis ball

Thermal Nuclear Electrical Mechanical When a firecracker explodes, stored chemical energy turns into sound and light energy. What other type of energy is also released during this transformation? Thermal Nuclear Electrical Mechanical

This is the ability to do work or cause a change. A. Motion B. Energy

This is energy due to motion. A. Kinetic energy B. Potential Energy

Look at the picture below. At which point will the roller coaster have the greatest amount of potential energy? A B C D

A ball is released from rest at position 1 A ball is released from rest at position 1. The diagram shows the ball in four positions as it rolls along a track from left to right. 1 2 3 4

The diagram below shows a pendulum in motion The diagram below shows a pendulum in motion. Which describes the potential and kinetic energy of the pendulum at position X? A. Potential energy is at its lowest and kinetic energy is at its lowest. B. Potential energy is at its highest and kinetic energy is at its lowest. C. Kinetic energy is at its highest and potential energy is at its lowest. D. Kinetic energy is at its highest and potential energy is at its highest.

A. Kinetic energy B. Potential energy This is energy that is not moving. It is energy that is not causing any changes now. A. Kinetic energy B. Potential energy

A. Chemical B. Nuclear C. Thermal D. Electromagnetic This energy is energy of electrons that form the bonds between atoms in molecules. A. Chemical B. Nuclear C. Thermal D. Electromagnetic

Potential energy is sometimes called ____ energy. A. stored B. moving

This energy holds the protons together in the nucleus. A. Chemical B. Nuclear C. Thermal D. Electromagnetic

Electricity is produced in a hydroelectric plant when moving water turns a turbine. Which describes this energy transformation from the turning turbine to electricity. A. kinetic energy into electric energy B. nuclear energy into electric energy C. thermal energy into electric energy D. chemical energy into electric energy

What is the kinetic energy if the mass is 20 kg and the velocity is 2m/sec? 40 60 80

What is the kinetic energy if the mass is 40 kg and the velocity is 2m/sec? 20 40 60 80

Determine the gravitational potential energy of a book of 10N on shelves at 1 meter. 5 10 20 30

Determine the gravitational potential energy of a book of 10N on shelves at 2 meters. 5 10 20 30

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