A bicycle wheel has a diameter of 63cm how many meters does the bicycle travel for 100 revolution of the wheel
C = pi * d
C = 3.14 * 63
c = 197.82
197.82 * 100 = 19,782 cm = 197.82 m
Thank you so much
Ma pls explain. In my textbook, the revolution is 1000
INCORRECT ANSWER
To find out how many meters the bicycle travels for 100 revolutions of the wheel, we need to calculate the distance covered by one revolution of the wheel and multiply it by 100.
The distance covered by one revolution of the wheel is equal to the circumference of the wheel. The formula for the circumference of a circle is C = π * d, where C is the circumference and d is the diameter of the circle.
In this case, the diameter of the bicycle wheel is given as 63 cm. To convert the diameter to the radius (which is needed to calculate the circumference), we divide it by 2. So the radius, r, is 63 cm / 2 = 31.5 cm.
Now that we have the radius, we can calculate the circumference using the formula C = 2 * π * r. Plugging in the value of the radius, we get C = 2 * 3.14 * 31.5 cm.
However, we want the answer in meters, not centimeters. To convert centimeters to meters, we divide by 100. So the circumference in meters is (2 * 3.14 * 31.5) / 100 meters.
Now that we have the distance covered by one revolution of the wheel in meters, we can multiply it by 100 to find the distance covered in 100 revolutions.
Therefore, the bicycle will travel (2 * 3.14 * 31.5) / 100 * 100 meters.
Simplifying the equation, we get (2 * 3.14 * 31.5) meters or approximately 198.36 meters.
Hence, the bicycle will travel approximately 198.36 meters for 100 revolutions of the wheel.
NOT WHAT I EXPECTED
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