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CBSE Class 9 Answered

A Car with an initial speed of 1 m/sec was in motion for 10 minutes, and then it came to a stop, the velocity right before it stopped was 5 m/sec. What was the constant acceleration of the car?

 

Asked by psdarshan25082007 | 08 Sep, 2021, 08:14: PM
Expert Answer
It is given that car stops after 10 mins from its initial speed u = 1 m/s at time t = 0.
 
It is given that speed just before it stops is v = 5 m /s
 
Acceleration a is determined using the equation " v = u + a t "
 
a = ( v - u ) /t = ( 5 -1 ) /(10×60) = 6.667 × 10-3 m /s2
Answered by Thiyagarajan K | 08 Sep, 2021, 08:31: PM
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