Question

Very short answer
9. Under what conditions can a body travel a certain distance and yet its resultant displacement be zero?
10. In addition to speed, what else should we know to predict the position of a moving body?
11. When is a body said to have uniform velocity?
12. Under which condition is the magnitude of average velocity equal to average speed ?
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Answer 1

Answer:

hey mate,her's your answer,please mark this the brainliest!!

Explanation:

9.if a body moves on a circular path and ends at its starting point ,the distance traveled by it would be the number of rounds* the circuference but the displacement will be zero

10.the starting point which often depends on the frame of reference and origin we decide,is necessary in addition to speed,to predict the position of a moving body

11.when the body shows equal displacements in equal intervals of time(and moves without acceleration)

12.when the body is moving on a straight line path in a constant direction

I hope it helps you!!