The kinetic energy of a body of mass $m$ moving with a velocity $v$ is given by:

m v^{2}

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\frac{1}{2} m v^{2}

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2 m v^{2}

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\frac{1}{2} m^{2} v^{2}

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Solution

The correct option is B $\frac{1}{2} m v^{2}$
Kinetic energy of a moving body $K = \frac{1}{2} m v^{2}$
Thus kinetic energy of a moving body depends on the mass of the body and its velocity.
Kinetic energy is a scalar quantity.

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The kinetic energy of a body of mass m moving with a velocity v is given by:

The correct option is B 12mv2Kinetic energy of a moving body K=12mv2Thus kinetic energy of a moving body depends on the mass of the body and its velocity.Kinetic energy is a scalar quantity.

The kinetic energy of a body of mass $m$ moving with a velocity $v$ is given by:

The correct option is B $\frac{1}{2} m v^{2}$
Kinetic energy of a moving body $K = \frac{1}{2} m v^{2}$
Thus kinetic energy of a moving body depends on the mass of the body and its velocity.
Kinetic energy is a scalar quantity.