a body travels along a circular path of radius 60 CM after travelling half a revolution in 20 seconds find the average velocity and average speed
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for half revolution displacement is 120 I.e,radius 60+60=120. 120÷20=6
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Radius=60cm
The body covered half the circumference
Distance travelled d=πr=22/7×60=188.4cm
Displacement of body s=2r=2×60=120cm
Average velocity=s/t=120/20=6cm/s
Average speed=d/t=188.4/20=9.4×cm/s.
HOPE THIS HELP U
The body covered half the circumference
Distance travelled d=πr=22/7×60=188.4cm
Displacement of body s=2r=2×60=120cm
Average velocity=s/t=120/20=6cm/s
Average speed=d/t=188.4/20=9.4×cm/s.
HOPE THIS HELP U
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