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Verified by ExpertsThe correct answer is:
A
Average velocity = 
& Average speed = 
Distance can be equal to or greater than displacement magnitude. When speed is zero throughout an interval, particle does not move at all. So, average speed is also zero in that interval. Hence, is incorrect. When speed is not zero in an interval, particle covers some distance, but displacement can be zero. So, average velocity can be zero in that interval but average speed will never be zero.Hence, is incorrect.
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