Wednesday

October 1, 2014

October 1, 2014

Posted by **mathfailure** on Tuesday, November 20, 2012 at 11:39am.

- geometry -
**Damon**, Tuesday, November 20, 2012 at 12:00pminside wheel at radius r

outside wheel at radius 2 r because circumference is twice

so r = 6

so

2 pi r = 12 r

- geometry -
**Steve**, Tuesday, November 20, 2012 at 12:02pm2(2pi r) = 2pi (r+6)

2pi r = pi r + 6pi

pi r = 6pi

r = 6

so, the distance is 2pi * 6 = 12 pi

- geometry -
**mathfailure**, Tuesday, November 20, 2012 at 12:02pmthanks alot man!

**Answer this Question**

**Related Questions**

phys - When a car is weighed, it is allowed to move over a scale which records a...

Trignometry - A car is moving at a rate of 55 mph and the diameter of its wheels...

physics - An automobile traveling 80 mi/hr has wheels 31 inches in diameter. If ...

Pre-calc - A car is moving at the rate of 60 miles per hour, and the diameter of...

Physics - Workers have loaded a delivery truck in such a way that its center of ...

AP Physics - A 1050kg car has four 15kg wheels. When the car is moving, what ...

physics - A 1000 kg car has four 20 kg wheels. When the car is moving, what ...

Math - A truck with 40-in.-diameter wheels is traveling at 50 mi/h. a) Find the ...

Physics - A 965 kg car is driving along a boardwalk. The car's center of mass is...

Physics - A 984 kg car is driving along a boardwalk. The car's center of mass is...