a bicycle wheel has a diameter of 63cm.calculate how many times the wheel turns round in travelling 19.8km.use the value 31/7 for pie
19.8*1000=19800 =22/7*63=
19800=198
19800/198=198/198
=100
what is 19.8km/(2PI*.63m)
19800/6.28*.63 ?
a bicycle wheel has a diameter of 63cm.calculate how many times the wheel turns round in travelling 19.8km.use the value 31/7 for pie
To calculate how many times a bicycle wheel turns round in traveling a certain distance, we need to determine the circumference of the wheel and then divide the total distance by the circumference.
First, let's calculate the circumference of the wheel using the formula:
Circumference = π * diameter
Given that the diameter of the wheel is 63 cm and you are asked to use a value of 31/7 for π, we can substitute these values into the formula:
Circumference = (31/7) * 63 cm
Now, let's simplify the expression:
Circumference = 279 cm
We know that the wheel will travel a distance of 19.8 km. However, the circumference is in centimeters, so we need to convert 19.8 km to centimeters.
1 kilometer = 100,000 centimeters
Therefore, 19.8 kilometers = 19.8 * 100,000 centimeters = 1,980,000 centimeters
Now, to determine how many times the wheel turns round, we can divide the total distance traveled by the circumference of the wheel:
Number of turns = Total distance / Circumference
Number of turns = 1,980,000 cm / 279 cm
Simplifying the expression:
Number of turns = 7096.0574
Therefore, the wheel will turn round approximately 7096 times in traveling 19.8 km.