A ball is thrown vertically upwards with a velocity u from the baloo descending with velocity V. The ball will pass by the ball after time,a) u - V/2gb) u+V/2gc) 2(u-V)/gd) 2(u+V)/g
Anshu Sharma , 12 Years ago
Grade 11
1 Answers
raj mishra
Last Activity: 12 Years ago
ans d= 2(u+V)/g;
Vball wrt balloo = u+V
Srelative= (u+V)t - 1/2gtsquare=0
therefore t= opt d
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