find the displacement after 7min when a body complete one round of circular track with radius 50m in 5 min?
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Total distance or perimeter=2*pi*r
=2*pi*50m
100*pi*m
In 5 minutes he runs 100*pi*m
In 1 minute he runs 20pi*m
He ran 7min .
In 5 min his displacement was zero.
In 7 min displacement would be of distance covered in 2 min
=2*20pi*m
=40*pi*m
udit1853:
wrong
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