Question

A body of mass 2 kg falls from a height of 20 m.
What is the loss in potential energy :-
(1) 400.J
(2) 300J
(3) 200 J
(4) 100 J​

Answer 1

hey mate this is your answer

400J

Answer 2

Answer:

Explanation:

loss in potential energy=initial potential energy-final potential energy

mgh1-mgh2

=2*10*20-2*10*0

=400-0=  (1) 400J

therefore the whole potential energy changes into kinetic energy.