In problem no.28, in a simple rectilinear motion, a mass of 100 Kg is given an acceleration of 2.0 m/s². Find the kinetic energy for time t = 4.0 s.*       a. 4.6 KJ       b. 3.8 KJ       c. 3.2 KJ       d. 2.4 KJ

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Q: SI unit of power is the Watt (W).

A: This question is based on Unit dimensions .

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.