Question

A particle moves in a circular of radius R. The distance covered by the particle in 5 revolutions is ​

Answer 1

Answer:

$5\pi \: r$

Explanation:

As circumference of circle is

$\pi \: r$

And 5 revolution mean 5 time circumference

Answer 2

Answer:

Answer

In half the period of revolution, displacement will be 2R and distance covered will be πR

Explanation:

Displacement is equal to the distance between initial and final position. so in this case displacement will be equal to 2r, the diameter of the circle.

&

Distance is equal to the length of actual path traversed by the object. so in this case, displacement will be equal to the half of the circumference i.e. πr.

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