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For how long should a force of 100N act on a body of 20kg so that it acquires a velocity of 100 m/s? |
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Answer» Mass of the body = 20 kg Initial velocity, u = 0 m/s Final velocity, v = 100 m/s Force, F = 100 N Acceleration, a = F/m = 100/20 = 5 m/s2 Time, t = (v-u)/a = 20s |
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