The wheels of a car are of diameter 80cm each .how many complete revolutions does each wheel make in 10 minutes when car is travelling at a speed of 66 km per hour?
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Step-by-step explanation:
Now, Distance covered in 10 min = (55/3*10*60)m = 11,000 m. Circumference of wheel= (22/7*80/100 )m , which is distance covered in one Revolution. No. of complete Revolution = 11000/(22/7*80/100 ) = 4,375. ∴ The distance travelled in one revolution is = 2πr = 2 x 22/7 x 40 = 1760/7 cm.
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