Homework Help: Math

Posted by jake on Thursday, January 19, 2012 at 4:13pm.

If the diameter of a monster truck tire is 3.5 m and it makes one rotation every 5 seconds, how far does the tire
roll in 1 minute?

Diameter 3.5

radius: 3.5/2 = 1.75

12(2pi x 1.75)
=131.9 m

the book states that its 263.89 m?

What did I do wrong?

Math - Steve, Thursday, January 19, 2012 at 4:26pm
Looks good to me. Book must be in error.

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