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If a bus travelling at 20 m/s is subjected to a steady deceleration of 5 m/s2 , how long will it take to come to rest? |
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Answer» Deceleration, a = -5 m/s2 Initial velocity, u = 20 m/s Final velocity, v = 0 m/s Time, t = ? a = (v-u)/t -5 = (0-20)/t t = 20/5 = 4s |
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