Just as a skydiver steps out of the helicopter with no forward velocity someone who's watching start stopwatch so the time is zero as a skydiver steps out of the plane what is the sky divers downward velocity at that entrance just before starting to fall

Question

Physics

Killian Black

5 May, 00:35

Just as a skydiver steps out of the helicopter with no forward velocity someone who's watching start stopwatch so the time is zero as a skydiver steps out of the plane what is the sky divers downward velocity at that entrance just before starting to fall

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Answers (1)

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Danica Church · Answer 1

Answer: zero.

Justification:

The downward velocity of the sky diver just before starting to fall is zero, assuming that the helicopter is not moving but just hovering.

Before starting to fall, the velocity of the skydiver is the same of the helicopter, which is zero. It is only, once she jumps out of the helicopter that her weight is not supported by the helicopter and so the gravitational force of the Earth attracts the skydiver and she starts to gain velocity at a rate equal to g (around 9.81 m/s²).