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a car with a mass of 1000kg moving at rate of 20m/s is uniformly decelerated to a stop in 5 seconds. How much braking force was used

physics
Guest Jun 11, 2015

Best Answer 

 #1
avatar+26971 
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Average acceleration = -20/5 = -4 m/s2

 

Force = mass*acceleration  (Note that kg*m/s2 will give a result in Newtons).

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Alan  Jun 11, 2015
 #1
avatar+26971 
+10
Best Answer

Average acceleration = -20/5 = -4 m/s2

 

Force = mass*acceleration  (Note that kg*m/s2 will give a result in Newtons).

.

Alan  Jun 11, 2015

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