What are the balls velocities just before the collision

Reference no: EM13523178

a ball is released from top of a 98m tall building. At the same instant a second ball is thrown straight up from the ground with an initial speed of 28m/s directly below the point where the first ball was dropped. Ignore air resistance.

a) at what height above the ground do the balls collide?

b) what are the balls velocities just before the collision?

Reference no: EM13523178

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