Question

A car goes around a circular park of radius 14 m. Its displacement after 3.5 revolutions is :​

Answer 1

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Explanation:

In one complete cycle, it comes back to its initial position, so the displacement of the object is zero.

Distance travelled = circumference of the circle = 2πr

=2×

7

22

×3.5

=22m

Answer 2

It's displacement is 28m , which is twice the diameter of the circular park.

Because the displacement depends on intial and final position of car only but not on the distance travelled.

so after 3.5 revolutions the car will be exactly at the other end of digonal from the starting point.

Hope this helps you ✌️✌️☺️☺️☘️☘️