Q1 of 58 Page 38

A motorcycle travelling at 20ms-1 has an acceleration of 4ms-2. What does it explains about the velocity of the motorcycle.

Since acceleration is positive, that means velocity of the body is increasing.

Explanation: from first equation of motion, we can see that final velocity changes for t =1s,2s,3s… as 24,28,32 ms-1 respectively.


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2

Force involved in uniform circular motion is given by __________

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Choose the correct statement

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Complete of following sentences

a. The acceleration of the body that moves with a uniform velocity will be ________


b. A train travels from A to station B with a velocity of 100 km/h and returns from station B to station A with a velocity of 80km/h. Its average velocity during the whole journey in ______________ and its average speed is ____________

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Distinguish speed and velocity.