Question

50 marks

please wrong answer mat krna

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Answer 1

Answer:

Explanation:let time t taken to meet them

H/2= gt^2,t=(H/g)^1/2 for the ball is dropped

H/2=Vot-gt^2/2for the ball is thrown vertically upward

gt^2/2=Vot-gt^2/2

gt=Vo

g(H/g)^1/2=Vo

Vo=(gH)^1/2

Answer 2

Explanation:

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