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Ball $A$ $A$ is dropped from rest from a building of height $H$ $H$ exactly when ball $B$ $B$ is thrown up vertically. When they collide $A$ $A$ has double the speed of $B$ $B$ . If the collision occurs at height $h$ $h$ what is $\frac{h}{H}$ $h/H$ ?

Write equations for heights $y_{A}$ $y_A$ and $y_{B}$ $y_B$ , and velocities $v_{A}$ $v_A$ and $v_{B}$ $v_B$ . What can you say about these at the time of the collision?

1 Answer

Sep 7, 2017

answer in progress

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