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April 23, 2014

Homework Help: physics

Posted by Fabian on Sunday, February 14, 2010 at 1:51pm.

An object is thrown downward with an initial speed of 5 m/s from a height of 78 m above the ground. At the same instant, a second object is propelled vertically from ground level with a speed of 50 m/s.

The acceleration of gravity is 9.8 m/s2. At what height above the ground will the two objects pass each other?
Answer in units of m.

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