Question
The diameter of a car's tire is 52 cm. While the car is being driven, the tire picks up a nail. How high above the ground will the nail be after the car has travelled 0.1 km?
can someone please explain how to solve this question?
can someone please explain how to solve this question?
Answers
Henry
C = 3.14 * 52 cm = 163.4 cm/rev.
0.1 km = 100 m = 10000 cm.
10000 cm / 163.4 cm/rev - 61.2 REVs.
d = 0.2 rev * 163.4 cm/rev = 32.7 cm
above ground.
0.1 km = 100 m = 10000 cm.
10000 cm / 163.4 cm/rev - 61.2 REVs.
d = 0.2 rev * 163.4 cm/rev = 32.7 cm
above ground.
Allison
Thank youu !
yo
yolo
Grace
How did you get 0.2 rev?