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Q.8. When a car drivertravelling at a speed of 10 m/sapplies brakes and brings thecar to rest in 20 s, then theretardation will be:a. + 2 m/s2b. - 2 m/s2c. -0.5 m/s2d. +0.5 m/s2 |
Answer» ANSWER -Given - V = 0 t = 20sec To FIND -Acceleration - a SolutionBy 1st equation of motion - v = u + at 0 = 10 + 20a 20a = -10 Thanks |
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