Question

Answer please ...................................................................................................an athlete runs along a circular track of radius 50 m. Find the distance travelled and the displacementof the athelete when he covers 3/4 of the circle.

Answer 1

Explanation:

At first find the circumference of the circular track by using formula you will get the circumference of the track is 100π.

Distance=3/4×100π = 75π m

for displacement 75 πm is 1 whole 1/2 th part of circle which forms a quadrant.

Now,By applying Pythagorean theorem,

we get,

Displacement= (whole square root of 2 x (50)^2)

=50√2 m