A 2.00kg rock is released from a height of 20.0 m. What is its velocity 10 m above the
ground?
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2 kg object is released from rest from a height of 10 m above the ground. Calculate 1) the initial potential energy at the moment of release; 2) the kinetic energy at the moment it reaches 4 m above the ground 3) after the impact the object just before Impact with the ground.
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