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1Write an expression for the kinetic energy of an object.
 
If a body of mass m is moving with a speed v, then its Kinetic Energy. {E_k} is given by the expression,
SI unit of Kinetic Energy is .
 
2. What is power?
 
Power is defined as the rate of doing work or the rate of transfer of energy. If an agent does a work W in time t, then power is given by:
The unit of power is .