Question

Q1. A body moving in a straight line at 72kmph undergoes an acceleration of 4m/s2. Find its

speed after 2 seconds.


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Answer 1

Answer:

The speed after 2 seconds is 0.02 km/s From the question, the speed given is 72 kmph. Now, the body is moving 72 kilometres in one hour. Thus, the body is moving 72 kilometres in 3600 seconds.

Answer 2

Answer:

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