A body of mass $10 kg$ is kept at the height of $10 m$ from the ground. When it is released after some time, its kinetic energy becomes $450 Joule$ . Which of the following will be the potential energy of the body at that instant?

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650 Joule

550 Joule

450 Joule

350 Joule

answer is B.

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Detailed Solution

The potential energy of the body at that instant is given by

550 Joule .

Potential energy is the amount of energy stored in an object. This energy has the ability to
perform work. Gravity gives an object potential energy. Gravity's downward pull creates this
potential energy. The gravitational constant, g, denotes an object's acceleration due to gravity. On Earth, this acceleration is about

10 metre per second .

PE = mgh

is the formula for potential energy due to gravity.
The potential energy of the object decreases as it approaches the ground, while the kinetic energy increases.
Kinetic energy is the measure of the work that an object does by virtue of its motion. Simple
activities like walking, jumping, throwing, and falling involve kinetic energy. In this article, let us familiarise ourselves with the concept of kinetic energy.