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Chapter 15 Review
Terms in this set (17)
What is the relationship between work and energy?
Energy is the ability to do work and work is a transfer of energy
Definition: The energy of motion
Gravitational Potential Energy
Definition: Potential energy that is stored as a result of position or shape and has the the potential to do work.
The potential energy of an object that is stretched or compressed. Ex: Rubber band being stretched
Energy associated with the motion and position of everyday objects. EX: Bouncing balls
The total potential energy of all the microscopic particles make up its thermal energy. EX: Fire
The energy stored in the chemical bonds in compounds. EX: Cars engine uses gasoline to move
The energy associated with electric charges. EX: Any electronic device
Form of energy that travels through space in the form of waves. EX: X-rays, Visible light
The energy stored in atomic nuclei. EX: the sun
What energy conversions occur in lighting a match?
Chemical → Thermal
Explain the law of conservation of energy
Energy cannot be created nor destroyed just converted
Why does a bouncy ball lower in height after each bounce? What energy conversion is taking place?
Potential Energy because of the air resistance
A 0.25 kg bird is flying at a constant speed of 5.5 m/s. What is the bird's kinetic energy?
A diver at the top of a 15 meter high diving platform has a mass of 40.0 kg. Calculate her potential energy relative to the ground.
Sally is standing on a platform. She has a mass of 45 kg, and potential energy of 26,000 J. How high is the platform off the ground?
If a 350.0 kg has a kinetic energy of 300,000 J, how fast is the car moving?
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