Question

athlete completes one round of a circular track of diameter 200m in 30 seconds find the distance travelled by the athlete and the magnitude of displacement of the athlete at the end of 30 seconds​

Answer 1

Answer:

=>Distance travelled by the athlete is 200m

=>Displacement of the athlete at the end of 30 second is 0m because displacement is the distance between initial point and final point and the athlete come back to its starting(initial) point after 30 seconds so his initial point and final point is same.

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Answer 2

The distance traveled by the athlete is 628.57 m and displacement is 0

Step-by-step explanation:

Diameter of circular track = 200 m

Radius of circular track =$\frac{200}{2}= 100 m$

Circumference of circular track = $2 \pi r = 2 \times \frac{22}{7} \times 100=628.57 m$

So, the distance traveled by the athlete is 628.57 m

Since starting point and ending point is same .

So, Displacement is 0

#Learn more:

An athlete completes one round of a circular track of diameter 14m in 20 seconds calculate the distance covered by and displacement at the end of 30 second

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