Homework Help: math

Posted by Derby on Wednesday, September 10, 2008 at 3:08pm.

Your roommate is working on his bicycle and has the bike upside down. He spins the 68.0cm -diameter wheel, and you notice that a pebble stuck in the tread goes by three times every second.

math - bobpursley, Wednesday, September 10, 2008 at 3:42pm
And is there a question here?

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