Question

Megan kicks a soccer ball with a mass of 2 kg. The ball leaves the ground moving 50 meters per second. What is the kinetic energy of the ball?

Answer 1

`2500J`

Step-by-step explanation

The kinetic energy of a body is the energy it possesses due to its motion and it can be found by applying the formula:

`E=(1)/(2)mv^2`

where m = mass, v = velocity

From the question:

`\begin{gathered} m=2\text{ kg} \\ v=50\text{ m/s} \end{gathered}`

Therefore, the kinetic energy of the ball is:

`\begin{gathered} E=(1)/(2)\cdot2\cdot50^2 \\ E=2500J \end{gathered}`