Question

A body goes from P to Q with a velocity of 10 m/s and comes back from Q to P with a velocity of 20 m/s. What is the average velocity of the body during the entire trip?

Answer 1

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Answer 2

Average speed will be (20+10)/2 = 15m/s.

Answer 3

However, average velocity is the total displacement/time taken. Here as the body comes back to the initial position. So its displacement will be 0. Thus average velocity will be 0m/s

Answer 4

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