Question

1. An object is moving in a circular path of Radius (R) calculate the distance and displacement
(i) When it completes half circle
(ii) When it completes full circle
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Answer 1

Answer:

when the object covers half circle then displacement will be 2r and distance will be 22/7×r

when the object has covered full circle than displacement will be zero and distance will be equal to circumference of circle

Answer 2

Answer:

(i) r = 4

Distance:

   $\pi$ r= distance covered in half circle

  12.6 cm

Displacement:

2r= displacement after half circle

= 2 x 4

8 cm

(ii) r = 4

Distance:

2$\pi$r= distance covered in full circle

25.2

Displacement:

0

Explanation:

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