Question

6. A rock is dropped from a cliff and takes 6 seconds to hit the ground. At what time is the

speed of the rock the highest?

Answer 1

Acceleration due to gravity = g = 9.8 m/s²

Time to reach ground = t = 6 sec

Initial Velocity of the Rock = Vi = 0 m/s (Because, the rock will be at rest, initially)

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