Question

please solve the above question fast

Answer 1

let intial veloctity be v

for case 1


(3v/4)² -v²=2ax ,,,,,using third equation

a=-7v²/32x

for case 2

0-(3v/4)² =2ay

putting value of a......

-9v²/16=-2 • 7v²/32x y

simplfy

y=9/7

mark brainliest