February 21, 2017

Homework Help: Physics

Posted by Brandon on Sunday, November 2, 2008 at 8:50am.

A shot-putter puts a shot (weight = 71.9 N) that leaves his hand at distance of 1.47 m above the ground.
(a) Find the work done by the gravitation force when the shot has risen to a height of 2.20 m above the ground. Include the correct sign for work.
(b) Determine the change (√ĄPE = PEf - PE0) in the gravitational potential energy of the shot.

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