Trigonometry-A man jumps out of a window with his suitcase from 9th floor

A man jumps out of a window with his suitcase from 9th floor at a ht of 30m.His weight is 60 kgs and suitcase 20kgs.He expects to land in water which is 5m from base of building.With what velocity should he throw his suitcase so that he will land safelytime to reach ground:30 = 0.5 * 10 * t*t6=t^2t= root (6)Momentum:60*V1= 20*V2V2 = 3V1Horizontal:5 = V1 *tV1 = 5/root(6)V2= 15/root(6)V2= 6.12 m/sec

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