The diameter of a car wheel is 65 cm. The car is moving at such a speed that the wheels

univerkov | May 4, 2021 | education

The diameter of a car wheel is 65 cm. The car is moving at such a speed that the wheels make six revolutions per second. Find the vehicle speed in kilometers per hour.

C = 3.14 * 65 = 204.1 cm
204.1 * 6 = 1224.6 cm / sec – speed
1224.6: 100000 * 3600 = 44.0856 ≈ 44.1 km / h

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