a body moves in a circular path of radius 20cm . if it completes 2 and half revolutions along a circular path , then find distance and displacement of the body.
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Answer:
distance =314cm
displacement =40cm
Explanation:
distance covered in two and half revolution=
2*circumference of circle +. half the circumference of circle
2*2πr +πr
4πr+πr
πr(4+1) ==3.14*20*5
=314cm
displacement =
diameter of the circle
2*r = 2*20
=40cm
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