Answers

2015-06-17T19:41:56+05:30


acceleration = (final velocity - initial velocity) / time

acceleration = (0-72) / 10

acceleration = -72 / 10

acceleration = -7.2km/h²

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2015-06-17T19:53:33+05:30
72km/h = 72*5\18m/s= 20 m/s a=(v-u)\t =(0-20)\10m/s =-2m/s
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