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the velociy at the midway point f a ball able to reach a height y when thrown with a velocity u at the origin is - a) u/2; b) root of [2ugy]; c) root of [u squared/2]; d) root of [u squared + 2gy ]

the velociy at the midway point f a ball able to reach a height y when thrown with a velocity u at the origin is - 


a) u/2;


b) root of [2ugy];


c) root of [u squared/2];


d) root of [u squared + 2gy ]

Grade:12

3 Answers

Chetan Mandayam Nayakar
312 Points
10 years ago

let answer be v

u2-v2=2g(y/2)

saket shrivastava
36 Points
10 years ago

energy conservation at all points gives ans

√(gy)

saket shrivastava
36 Points
10 years ago

ans c

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