Question

A runner runs 100m in 10s then turns around and jogs 50m back towards the starting point in 30s . find the average speed and average velocity ​

Answer 1

Answer:

distance covered = 100 + 50 = 150m

displacement occurred = 100 + (-50) = 50m

total time taken = 10 + 30 = 40s

Average speed = distance covered/total time taken = 150/40 = 3.75m/s

Average velocity = displacement occurred = 50/40 = 1.25m/s

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