Question

A particle is moving in a circle of diameter 5 metre calculate the distance covered and the displacement when it completes 3 regulation

Answer 1

Hi.

Here is the answer---

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Given---

Diameter of the Circle = 5 m

For the Distance,

   Thus, Circumference of the Circle = 2$\pi$r
                                                      = 2 × (22/7) × (5/2)
                                                      = 110/7 cm.

In 3 Revolution, distance covered = 3 × Circumference of the Circle
                                                      = 3 × (110/7)
                                                      = 330/7 m.

Thus, the Distance covered will be 330/7 m.

For the Displacement,

 Displacement Covered by the Particle = 0

[ Since the Particles return to the Same point After the 3 Revolutions of the Circle]


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Hope it helps.


Have a nice day.