Question

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

Answer 1

$\huge\bold{\textbf{\textsf{{\color{cyan}{Answer}}}}}$

diameter = 5m

radius= 2.5m

distance in 1 revolution = 2 (pi) r = 2 * 22/7 * 2.5

could take the value of 22/7 as

3.14) = 3* 3.14* 5 = 9.42* 5 = 47.10

distance in 3 revolutions = 3* 22/7* 2* 2.5 (we

as the body comes back to the same position the displacement is O

Answer 2

Answer:

After 3 revolutions a particle is come to same starting point , so the displacement is 0.

Distance covered in 3 revolutions = 2πr

= 2× 22/7 ×2.25

= 14.1428 m

Explanation:

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