A ball is dropped from a bridge 122.5 m high. After the first ball has fallen for 2 s, a…
Physics · JEE Main · NTA Exams — Kinematics
A ball is dropped from a bridge 122.5 m high. After the first ball has fallen for 2 s, a second ball is thrown straight down after it, what must the initial velocity of the second ball, so that both the balls hit the surface of water at the same time?
- 26.1 m/s
- 9.8 m/s
- 55.5 m/s
- 49 m/s
Answer
(A) 26.1 m/s
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