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An athlete an athlete completes one …

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An athlete an athlete completes one round of a circular track of diameter 200 m in 40 seconds what will be the distance covered and the displacement at the end of 2 minute 20 seconds

Posted by Alok Parihar 6 years, 8 months ago

CBSE > Class 09 > Science

1 answers

Pratibha Behl 6 years, 8 months ago

Diameter =200 m Time = 2min 20sec=140 sec No. of rounds taken=140÷40=3.5 rounds Distance covered=no. of rounds ×. circumference of circular track = 3.5 × π × 200 =35/10 ×22/7 ×200 = 2200m Displacement=diameter=200m

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