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The radius of a wheel of a bus is 45 cm....

The radius of a wheel of a bus is 45 cm. Determine its speed in kilometres per hour, when its wheel makes 315 revolutions per minute

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To determine the speed of the bus in kilometers per hour when its wheel makes 315 revolutions per minute, we can follow these steps: ### Step 1: Calculate the Circumference of the Wheel The formula for the circumference \( C \) of a circle is given by: \[ C = 2 \pi r \] where \( r \) is the radius of the wheel. ...
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