Question

a body of mass 5kg is dropped from a height of 2m its kinetic energy just before reaching the ground

Answer 1

Kinetic Energy = Potential Energy
[When the Energy is Facing Directly Towards the Gravitational So, That Time Kinetic Energy Will be Equal to the Potential Energy ]

Give ::

Mass :- 5KG
Height :- 2M
Gravitational Force = 9.8M/Sec²

Potential Energy = MGH
= 5×9.8×2
= 98Joule Ans

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Answer 2

By given information,

Mass =5kg

Height =2m

Gravitational force =9.8m/s square

We know that,

Potential energy =Kinetic energy therefore,

K. E. =mgh

K. E. =5×9.8×2

K. E. =98 joule

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