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Grade: 11
        
A car moving on straight road accelerates from speed of 4.1m/s to a speed of 6.9m/s in 5.0s
Then average acceleration is ?
29 days ago

Answers : (1)

Arun
20297 Points
							
 
Initial velocity,u=4.1m/s
Final velocity ,v=6.9m/s
Time taken=5.0secs
We know, acceleration=(v-u)/t where t=time.
Therefore, acceleration=(6.9-4.1)/5 m/sec square
                                     =2.8/5 m/sec square
                                     =0.56 m/sec square(ANS)
 
 
Regards
arun
29 days ago
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