Question

http://tinypic.com/r/2w6tqf5/6 please need help I dont understand how to solve this and how to set it up>

Answer 1

\[1rev =2\pi r\]
5 rev=?

Answer 2

wia
wait

Answer 3

so 5 rev=10πr

Answer 4

? plase answr

Answer 5

yes so how much is r=?

Answer 6

i got 31.4 but thats not radius is it? but how far will it travel please!

Answer 7

r=1
\[10\pi r=10 \times \pi=3.14\]you are correct

Answer 8

thanks could u help me out on another question simlar to this