he radius of a wheel is 22.4 cm. What is the distance covered by the wheel in making 500 resolutions?Choices:- 252 m 704 m 352 m 808 m
Question
he radius of a wheel is 22.4 cm. What is the distance covered by the wheel in making 500 resolutions?Choices:- 252 m 704 m 352 m 808 m
Solution
The distance covered by the wheel in making one revolution is equal to the circumference of the wheel. The formula for the circumference of a circle is 2πr, where r is the radius of the circle.
Step 1: Calculate the circumference of the wheel Circumference = 2πr = 2 * 3.14 * 22.4 cm = 140.8 cm
Step 2: Convert the circumference from cm to m 1 m = 100 cm So, 140.8 cm = 140.8/100 m = 1.408 m
Step 3: Calculate the distance covered in 500 revolutions Distance = number of revolutions * circumference = 500 * 1.408 m = 704 m
So, the wheel covers a distance of 704 m in making 500 revolutions. The correct choice is 704 m.
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