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March 29, 2015

Homework Help: math

Posted by Derby on Wednesday, September 10, 2008 at 3:53pm.

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.
What is the pebble's speed?
What is the pebble's acceleration?

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