A man travels 100m due east with a constant speed 20m/s.he stops there for 5sec and then return back along the same route with a constant speed of 10m/s .calculate its average speed and average velocity of man.
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Average velocity is 0 because displacement is 0
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Answer:
average velocity is equals to zero because its displacement is zero
avg speed =total distance
total time
total distance = 200m
total time = 100+100 + 5 sec
20 10
=20 sec
avg. speed =200
20
=100 m/s
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