Question

Please can anyone solve this question with the working.

Answer 1

Answer:

Answer = 2gH=nu2(n−2)

Explanation:

Time to reach the maximum height 

t1=gu

If t2 be the time taken no hit the ground

−H=ut2−21gt22

But t2=nt1 (given)

⇒−H=ugnu−21gg2n2u2

⇒2gH=nu2(n−2)