Question

plzz solve this question urgent hai plzz

Body of mass 1.5kg is thrown vertically upward with initial velocity of 15 m/s .what will be the potential energy at the end of 2 seconds.



I will marks him /her as the brillianist​

Answer 1

s = ut+1/2gt^2
= 15/2 + 1/2 * - 10 * (2)^2
= 30+ (-5)* 4
= 30-20
= 10 m
p.e= mgh
=1.5*10*10
= 1.5*100
= 150 joules approx