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03-10-2017
Physics

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the speed of a car decreases uniformly from 30 m/s to 10 m/s in 4.0 seconds. the car's acceleration is-

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SM501320 SM501320

16-10-2017

u=30m/s
v=10m/s
t=4s
a=10-30/4
a=-5 m/second square

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