A Parachutist with total weight 75kg drops vertically onto a Sandy ground with speed of 2m/s and comes to a halt over a distance of 0.25m. The average force from the ground on her is?

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A parachutist with total weight 75 kg drops vertically onto a sandy ground with a speed of 2 ms $^{- 1}$ and comes to a halt over a distance of 0.25m. The average force from the ground on her is close to.

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