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7 March, 11:21

An object accelerates at 5 m/s2, over a 3 second time period to a final velocity of 20 m/s. What is the initial velocity?

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  1. 7 March, 11:28
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    Using kinematic equation, v = u + at, u = v-at = 20 - 3x5 = 5m/s. Initial velocity = 5 m/s
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