Modern Physics> A ball dropped from a point P crosses a p...

A ball dropped from a point P crosses a point Q in t sec. The time taken by it to travel from Q to R,if PQ=QR

Nikhitha , 7 Years ago

Grade 11

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Saswat Pani

Last Activity: 7 Years ago

As the ball is dropped from a point the initial velocity is 0Let the dist PQ=QR=SFrom P to QS=0.5*g*t^2t=√(2S÷g)From P to R2S=0.5*g*t2^2t2=√(4S÷g)t2=√2tSoTime taken from Q to R√2t-t = t(√2-1)

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Modern Physics> A ball dropped from a point P crosses a p...

A ball dropped from a point P crosses a point Q in t sec. The time taken by it to travel from Q to R,if PQ=QR

Nikhitha , 7 Years ago

Saswat Pani

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