Question

A stone of mass 23kg is thrown vertically upwards to a height of 15 m. Calculate the potential energy possessed by the stone.( g = 9.8 m/s ²)​

Answer 1

Answer:

nwnwjwkwoowowowowoowoa

Answer 2

Given,

u=3m/s

v=0

a=g=10m/s^2

(velocity of a body moving upwqard is decreasing so acceleration is negative)

v^2=u^2+2as

0=3^2+2×−10×s

0=9−20s

20s=9, s= 9/20

U=mgh=20×10×9/20

=90J