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21 March, 04:57

A hockey player has an acceleration of - 3.1m/s2 how long does it take him come to a complete stop from a speed of 13m/s

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  1. 21 March, 05:25
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    Since his acceleration is not changing AND the acceleration is negative, we know that the hockey player is slowing down at a regular rate (i. e losing 3.1m/s, every second).

    It's simple to then see that you just need to work out how many times 3.1 goes in to the starting velocity of 13m/s.

    13 / 3.1 = 4.19 seconds
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