A ball is dropped from a bridge 122.5 m above a river. After the ball has been falling for 2s, a second ball is thrown straight down after it. What must the initial velocity of the second ball be so that both hit the water at the same time?
A
40 m/s
B
55.5 m/s
C
26.1 m/s
D
9.6 m/s

Question

A ball is dropped from a bridge 122.5 m above a river. After the ball has been falling for 2s, a second ball is thrown straight down after it. What must the initial velocity of the second ball be so that both hit the water at the same time?

A

40 m/s

B

55.5 m/s

C

26.1 m/s

D

9.6 m/s

Accepted Answer

9.6 m/s

Answer

40 m/s

Answer

55.5 m/s

Answer

26.1 m/s

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