Find the kinetic energy of a body of mass 1 kg moving with a uniform velocity of 10 m $s^{- 1}$ .

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Solution

Kinetic energy $= \frac{1}{2} m v^{2} = \frac{1}{2} \times 1 \times 10^{2} = 50 J$

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Kinetic Energy

Standard IX Physics

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Find the kinetic energy of a body of mass 1 kg moving with a uniform velocity of 10 m s−1.

Kinetic energy =12mv2=12×1×102=50 J

Find the kinetic energy of a body of mass 1 kg moving with a uniform velocity of 10 m $s^{- 1}$ .

Kinetic energy $= \frac{1}{2} m v^{2} = \frac{1}{2} \times 1 \times 10^{2} = 50 J$