An athlete cover three and half round on a circular track of radius 28m, the displacement covered by athlete is
a.308m
b.616m
c.56m
d. 0
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An athlete cover three and half round on a circular track of radius 28m, the displacement covered by athlete is
a.308m
b.616m
c.56m
d. 0
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Step-by-step explanation:
see athlete covered three and half round it means we have to considered only half round because 3 round are completed and displacement will be zero....
so, circumference of half circle = πr
so, 22/7×28
88m is your answer..
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Step-by-step explanation:
distance = π×diameter
= 22/7*56
=22*8
=176
distance covered in three and half round
=176*3+176*0.5
=528+88
=528
athlete covered half of the circular track so it's
displacement is equal to its diameter
so it'd answer is 56