a body travels along a circular path of radius 70m after travelling half a revolution in 20s,find the average velocity and average speed.
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Answer:
Step-by-step explanation:
Average speed=Distance/Time
=Semicircle/20
=πr/20
=220/20
=11 m/s
Average velocity=Dispacement/time
=diameter/20
=140/20
=7 m/s
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