Homework Help: physics

Posted by Jason on Thursday, January 19, 2012 at 9:49pm.

A ball is thrown from a cliff upward with a speed of 21 m/s and at an angle of 56 degrees to the horizontal. How high does it go above the cliff to the nearest tenth of a meter?

physics - drwls, Friday, January 20, 2012 at 6:31am
Initial vertical velocity component = Voy = 21 sin 56 = 17.41 m/s

Voy^2 = 2 g H

Solve for H

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