Question

A stone is thrown vertically upwards with a velocity of 40 m/s calculate potential energy of body if it's mass is 10 kg​

Answer 1

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Potential energy:- Mgh

M= 10kg

g= 10m/s²

H= ??

By using third equation of motion

v=0 m/s

u= 40 m/s

g= -10 m/s²

h= v²-u²/2g

-1600/-20

=80 m

•°• potential energy:- 10× 10×80

8000 J