A 1000 kg vehicle is undergoing crash testing. It starts on a hill of 20 m in height, and rolls down under gravity towards the barrier. The impact deceleration at the barrier occurs over 50 ms. What is the average power of the impact? Neglect all losses up to the point of impact. ⒸA: 3.92 x 106 W B: 0.19 x 106 W C: 1.21 x 10⁹ W OD: 1.00 x 106 W

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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.