Question

an athelete runs from one end to the another end of a semicircular track whose radius is 70m what is the a.)
distance b.) displacement covered by the athelete ​

Answer 1

Answer:Since the athlete is following a semi-circular path, the distance traveled shall be the perimeter of the semicircle:1/2 (2π r)=πr=3.14x70=219.8 m

 where r is the radius of the semicircle along which the athlete running.

Displacement: Since the athlete is starting from one end of the semicircle and reaching the other end, his position is displaced by the radius of the semicircle, what is 70m.

• Distance travelled:219.8m

• Displacement=radius of the semicircle=70m

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Answer 2

Answer:

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