May 29, 2016

Homework Help: physics

Posted by Cindy on Thursday, September 6, 2012 at 3:15pm.

A child standing on the edge of a sheer cliff wall throws a rock down towards the ground below. The rock is thrown 67 below the horizontal at a speed of 22 m/s & lands 43 m from the base of the cliff wall. Ignore air drag.

A.) Determine how long the rock was in the air.

B.) Determine how high the cliff wall is.

C.) Determine how fast the rock was going upon impact.

D.) Determine the angle of impact.

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