1.

two identical balls are projected , one vertically up and the other at an angle of 30° with the horizontal, with same initial speed. the potential energy at the highest point is in the ratio

Answer»

Range is the same for A and B,

HEIGHT H = (u sin a)^2/ 2G .( Use the equation v^2 - u^2 = 2as)

Ha/Hb = (sin 30/ sin30)^2 = 1/1

your answer is "1:1"

HOPE it will help you..



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