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April 24, 2014

Homework Help: physics

Posted by jane on Tuesday, February 21, 2012 at 2:51pm.

a ball (mass = 0.250 kg) is kicked off a porch (h = 1.50 m above the ground) with an initial velocity of 17.0 m/s at an unknown angle. what is the initial KE. What is the initial PE. what is the KE and speed of the ball when it is at the top of its ballistic arc (h = 9.50 m). What is the speed of the ball when it reaches the ground - (h = 0).

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