Answer :
Answer:
27 revolutions
Step-by-step explanation:
Things to remember :
- One revolution = distance of circumference covered
- circumference = 2πr
- diameter = 2 x radius
Solving
- One revolution = 2 x π x d/2 = πd
- One revolution = 3.14 x 8.5
- One revolution = 26.69 inches
- No. of revolutions = Distance / one revolution
- No. of revolutions = 60 x 12 / 26.69
- No. of revolutions = 720 / 26.69
- No. of revolutions = 27 revolutions