A 2.0-kg rock initially at rest loses 400 J of
potential energy while falling to the ground.
...
Physics, 09.06.2020 21:57 xwilliams83
A 2.0-kg rock initially at rest loses 400 J of
potential energy while falling to the ground.
a. Calculate the kinetic energy that the rock
gains while falling.
b. What is the rock's speed just before it
strikes the ground?
Answers: 2
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