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  • 16-12-2016
  • Physics
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When the shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 4.5 m/s2 as it slows from 9.3 m/s to 0 m/s. Find the time interval of acceleration for the bus.

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mathssydney
mathssydney mathssydney
  • 16-12-2016
V=u+at
V= speed 0 m/s
u = initial speed 9.3 m/s
a = acceleration - 4.5 (negative)
0=9.3-4.5t
t=9.3/4.5= ? :) seconds

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