Question

a car increases its speed from 36km/hr to 90km/hr in 5 sec what is its acceleration​

Answer 1

Answer:

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Answer 2

Answer:

3 m/s^2

Explanation:

initial velocity= 36km/hr=36*5/18 m/s

=10 m/s

final velocity=90 km/hr=90*5/18 m/s

=25 m/s

acceleration=(final velocity-initial velocity)/time interval

therefore, acceleration=(25-10)/5 m/s^2

=15/3 m/s^2

=3 m/s^2

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