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| 1. |
a car initially at rest, picks up a velocity of 72km/hr in 20 seconds. if the mass of the car is 1000kg find force developed by its engine |
| Answer» ATION, a = 72/3.6 * 20 m/s^2 = 1 m/s^2Therefore, force developed by the ENGINE, F = m*a = (1000*1) = 1000 N | |