Question

A person is standing on a plank which starts slipping over a fixed smooth wedge from rest position hence person also moves with plank. After 1 2 second of motion begins he observed that rain is falling vertically down ward. After sq root (7/3) sec. he again observed that rains is coming horizontally.
Find speed of rain w.r.t. ground

Answer 1

Answer:

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Answer 2

Explanation:

i don't know yrrr sorry