Question

An athlete completes a round of a circular track of diameter 200m in 20 seconds.Calculate 1)the distance travelled by the athelete. 2)the magnitude of the displacement of the athelete at the end of 1minute and 10seconds​

Answer 1

Answer:

1) 2198m 2) 200m

Explanation:

1) Distance= 2×π×r = 2×3.14×100=628.

70 sec means 3.5 rounds

distance=628×3.5=2198 m

2) Displacement=diameter.

so it will 200 m.