Question: A 2.50 kg beverage can is thrown directly downward from a height of 4.00 m, with an initial speed of 3.00 m/s the at drag

A 2.50 kg beverage can is thrown directly downward from a height of 4.00 m, with an initial speed of 3.00 m/s the at drag on the can is negligible. What is the kinetic energy of the can?
(a) As it reaches the ground at the end of its fall and
(b) When it is halfway to the ground? What are?
(c) The kinetic energy of the can and
(d) The gravitational potential energy of the can-Earth system 0.200 s before the can reaches the ground? For the latter, take the reference point y = 0 to be at the ground.

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