fatimjq fatimjq

26-09-2016
Mathematics

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a car travels at a constant speed around a circular track with circumference equal to 2 miles if the car records a time of 15 minutes for 9 laps what is the linear speed of the car in miles per hour

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danteguernsey danteguernsey

27-09-2016

ok, the circumference is 2 mi, car does 9 laps around it in 15 minutes.
2*9 = 18/15 = 1.2
15/60 is 0.25
1.2/0.25 is 4.8
it may be moving at 4.8 mph

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