At the top of a cliff 100 m high,Raoul throws a rock upward with velocity 15.0 m/s.How much later should he drop a second rock from rest so both rocks arrive simultaneously at the bottom of the cliff?
A)5.05 s
B)3.76 s
C)2.67 s
D)1.78 s

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The Answer of At the top of a cliff 100 m high,Raoul throws a rock upward with velocity 15.0 m/s.How much later should he drop a second rock from rest so both rocks arrive simultaneously at the bottom of the cliff?
A)5.05 s
B)3.76 s
C)2.67 s
D)1.78 s

At the Top of a Cliff 100 M High,Raoul Throws