Question

point P, Q,R are in a vertical line such that PQ=QR
a ball at point P is allowed to fall freely .
what is the ratio of time of descent through PQ and QR

please solve the question​

Answer 1

Answer:

point P, Q,R are in a vertical line such that PQ=QR

a ball at point P is allowed to fall freely .

what is the ratio of time of descent through PQ and QR

please solve the question

Answer 2

Answer:

Answer is attached

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