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A 101 Kg racer moves around a flat circular track with a radius of 55 m with a constant speed. The car makes one revolution around the track every 13 seconds. Find the speed of the car. ​
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6 votes
6 votes
A 101 Kg racer moves around a flat circular track with a radius of 55 m with a constant speed. The car makes one revolution around the track every 13 seconds. Find the speed of the car.

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User HughG
by
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1 Answer

12 votes
12 votes

Answer:

26.6 m/s

Step-by-step explanation:


v = r \alpha \\ v = r( (2\pi)/(t) ) \\ v = (55)( (2\pi)/(13) ) \\ v = 26.6 \: m {s}^( - 1)

User Seanvalencourt
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