A metal ball is placed in a device with a spring that has been compressed past its equilibrium point so that when the spring is released, it will propel the ball into the air. The device is set up on a table one meter above the floor. Which components make up the initial energy of the system?

A) spring potential energy and kinetic energy

B) kinetic energy, spring potential energy, and gravitational potential energy

C) gravitational potential energy only

D) spring potential energy and gravitational potential energy

Answers

Answered by R_scott
no K.E. until the ball is moving
Answered by jenna
The answer is D, "spring potential energy and gravitational potential energy". Here are the answers for the following questions:
2. 490 joules
3. 75 joules
4. 650 joules
5. thermal energy
Hope this helps! :)
Answered by xxJellyfishxx
jenna is 100% correct
Answered by Chotoko
Thanks Jenna
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