Question

A body of mass 5 kg falls from a height of 10 m to 4 m. Calculate : (i) the
loss in potential energy of the body, and (ii) the total energy possessed
by the body at any instant? (Take g = 10 ms 2)​

Answer 1

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purojit

purojit

15.05.2018

Physics

Primary School

+5 pts

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a body of mass 5 kg falls from a height of 10 m to 4 m. calculate(1) f the loss in potential energy of the body (2) the total energy possessed by the body at any instant .take g=10 M per second square

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Hope it helps you frnd and not wrong

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Comments (4) Report

purojit

right hh nice good job

Ty deary

purojit

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purojit

hlww....

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ariston Ambitious

Answer:

The potential energy is possessed by a body due to virtue of its position.

It is give by :

P.E. = m g h

where m is the mass of the object, g is the acceleration due to gravity and h is the height.

given, m = 5 kg

h' = 10 m

h = 4 m

g = 10 m/s²

Loss of P.E. = m g ( h' -h) = 5 × 10 × (10 -4 ) = 300 J

The total energy possessed by the body at any instant = potential energy at the top.

T.E. = m g h' = 5 ×10×10 = 500 J

Explanation:

Hope this helps....