Question
W1, W2 and W3 are the different sizes of windows 1, 2 and 3 respectively placed in a vertical plane. A particle is thrown up in the vertical plane. Let t1, t2 and t3 are the time taken to cross the window W1, W2 and W3 respectively and ΔV1, ΔV2 and ΔV3 are the change in speed after respective window cross.
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