10. An old person moves on a semi-circular track of radius 40.0 m during a morning walk. If he starts at one end of the track and reaches at the other end, find the distance covered and the displacement of the person.
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displacement = diameter
= 2.40
= 80 m
distance = 1/2 .2.22/7.40
= 880/7
= 125.7 m
= 2.40
= 80 m
distance = 1/2 .2.22/7.40
= 880/7
= 125.7 m
mohammedsaeednassar:
.2.22 is this multiplication
no the value of pie is 22/7
1/2.2.22/7.40 what point
it is 1/2 x 2 x 22/7 x 40
Thanks
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