Kinetic energy and Potential energy.

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Tod ThielLv2

10 Feb 2020

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The toy on a spring illustrated energy conversion among what different forms?

a. Gravitational potential energy, kinetic energy, and elastic potential energy.

b. Gravitational potential energy, kinetic energy, and thermal energy.

c. Kinetic energy, elastic potential energy, and thermal energy.

d. Kinetic energy and elastic potential energy.

e. Gravitational potential energy and thermal energy

Consider an object launched vertically upward with an initial speed v. Neglect air resistance.

As the projectile goes upward, what energy changes take place?
- Both kinetic and potential energy decrease.
- Both kinetic and potential energy increase.
- Kinetic energy decreases; potential energy increases.
- Kinetic energy increases; potential energy decreases.
At the top point of the flight, what can be said about the projectile's kinetic and potential energy?
- Both kinetic and potential energy are at their maximum values.
- Both kinetic and potential energy are at their minimum values.
- Kinetic energy is at a maximum; potential energy is at a minimum.
- Kinetic energy is at a minimum; potential energy is at a maximum.