Question

A cyclist travels 3⁄4 of a circular track from A to B as shown in the figure. The radius
of the circular track is 300 m.

Answer 1

The distance travelled by the cyclist is 1885.71m and displacement is 565.68 m.

Given:

The above problem can be solved by using the following formula,

Distance from A to B = 400m

Distance covered by cyclist

Total distance = circumference (2π radius)

Distance covered by the cyclist

Displacement

By using Pythagoras theorem,

Therefore, the distance travelled by the cyclist is 1885.71m and displacement is 565.68 m .

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