Question 10 of 42intermediate🔧 ApplyNumerical3 marks
If the diameter of a car tyre is 56 cm, then: (i) How far does the car need to travel for the tyre to complete one revolution? (ii) How many revolutions does the tyre make if the car travels 10 km?
(i)
Answer
176 cm
(ii)
Answer
5681.8 (approx)
Explanation
The distance a car travels in one revolution of its tyre is equal to the circumference of the tyre. The circumference is calculated using the formula π × d. To find the number of revolutions for a given distance, we divide the total distance travelled by the distance covered in one revolution.