Q4 of 14 Page 104

Answer the following

While mentioning acceleration the time is mentioned two times. Why?

The acceleration is the rate of change of velocity with time and the velocity is the rate of change of displacement with time. As both the terms are time dependent, thus with acceleration, time is mentioned twice.

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4

Answer the following

Distinguish between speed and velocity.

 4

Answer the following

Distinguish between distance travelled and displacement.

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Answer the following

What are uniform and non-uniform speed?

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Extended activity

Represent the following motion by a graph.



1. Find the acceleration


2. Find the time taken when the velocity is 35 ms-1.