A bicycle wheel is 56cm in diameter . How many complete turns does it make in travelling 1km ? Use the value ^ for( 22/7)
100 cm = 1 m
d = diameter
d = 56 cm = 0.56 m
C = Circumference
C = d * pi
C = 0.56 * 22 / 7 = 12.32 / 7 = 1.76 m
1 km = 1000 m
1000 / 1.76 = 568.181818
i dont understand
I don't understand
the answer is wrong
The answer is wrong. ☹️☹️☹️☹️☹️
It is wrong ☹️☹️☹️
To find out how many complete turns a bicycle wheel makes in traveling 1km, we can first calculate the circumference of the wheel using the formula C = πd, where C is the circumference and d is the diameter of the wheel.
Given that the diameter of the bicycle wheel is 56cm, we can calculate the circumference:
C = πd
C = (22/7) * 56
C ≈ 176 cm (rounded to the nearest whole number)
Now, let's convert the distance of 1km into centimeters since the circumference is in centimeters. There are 1000 meters in 1 kilometer, and 1 meter is equal to 100 centimeters. Therefore, 1 kilometer is equal to 1000 * 100 = 100,000 centimeters.
Now, we need to find out how many complete turns are needed to cover a distance of 100,000 centimeters. Each turn covers the circumference of the wheel, which we calculated as approximately 176 cm.
Number of complete turns = Distance / Circumference
Number of complete turns = 100,000 / 176
Number of complete turns ≈ 568.18 (rounded to two decimal places)
Therefore, a bicycle wheel with a 56cm diameter makes approximately 568.18 complete turns in traveling 1km.
Thumbs up👍👍👍 ruth hirst
100Cm = 1 m
56cm = 0.56 m
3520Cm = 35.2 M
35.2 ÷ O.56=62.9 turns