# A Body Of Mass 60 Kg Is Moving With A Speed 50Ms −1. Find Its Kinetic Energy.

Sol:

Kinetic Energy =$$\frac{1}{2}mv^{2}$$

Given:

m = 60 kg

Speed, v = 50 m/s-1

Kinetic Energy (K.E) =

$$\frac{1}{2} * mv^{2}\\\Rightarrow \frac{1}{2} * 60 * (50) * (50)\\\Rightarrow\frac{1}{2} * 150000 \\\Rightarrow 75000 J$$

Therefore, Kinetic Energy (K.E) is 75000 J.

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