When you crushed the chalk with a block, you released the 5 kg block from a height of 1 m above the chalk. a. What is the

Question

When you crushed the chalk with a block, you released the 5 kg block from a height of 1 m above the chalk. 
a. What is the gravitational potential energy of the block-Earth system before you released it? Be sure to mention what you set as your reference level. 
b. How much kinetic energy did the block have the instant before colliding with the chalk?

Kunduz · Accepted Answer

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