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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