Question

A particle is moving in a circular of diameter of 5 metre calculate the distance covered and the displacement when it complet 3 revolution​

Answer 1

Diameter = 5 m

Radius = 2.5 m

After 3 complete revolutions,

Distance = 6πr = 15π

Displacement = 0

Answer 2

Answer:

Displacement- Zero; as the starting point and final point are the same.

Displacement is defined the distance between the final and the intial position and in this case the final and initial position are the same so the displacement will also be zero.

Distance- 2π(radius)×3

=≥Distance is defined as total length covered by the body.

so, as the body has travelled along the circumference 3 times so the tota length travelled will be the circumference times the no of revolution

distance travelled=2π×(5÷2)×3=15π m. {r =d/2}

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