Determine the number of revolutions through which a typical automobile tire turns in 1 yr?
ATGC asked:
Determine the number of revolutions through which a typical automobile tire turns in 1 yr. Suppose the automobile travels 12000 miles each year on tires with radius 0.225 m.
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Determine the number of revolutions through which a typical automobile tire turns in 1 yr. Suppose the automobile travels 12000 miles each year on tires with radius 0.225 m.
April 23rd, 2010 at 12:00 am
12,000 miles = 19,312,128 meters
2*pi*r = 1.4137 m/rev
19,312,128 / 1.4137 = 13,660,536.15 revolutions PHILEMON
April 24th, 2010 at 3:01 am
multiply 0.225 meter radius by 2 pi
c = 2*π*r = 1.4137 meters
12,000 miles *1.609= 19,312 km
rotations per year = 19,312,000/1.4137 = 13,439,000 rotations per year Roger