Question

Calculate the potential energy of a 2 kg ball that is about to be dropped of a height of 25 m

Answer 1

Given:

The mass of the ball, m=2 kg

The height from which the ball is about to be dropped, h=25 m

To find:

The potential energy of the ball.

Step-by-step explanation:

The type of potential energy that is stored in this ball is called gravitational potential energy. The gravitational potential energy is the energy that an object possesses due to its height. The gravitational potential energy is directly proportional to the height at which the object is situated.

The potential energy of the ball is given by,

`E=\text{mgh}`

Where g is the acceleration due to gravity.

On substituting the known values,

`\begin{gathered} E=2*9.8*25 \\ =490\text{ J} \end{gathered}`

Final answer:

The potential energy of the ball is 490 J