Converting Between Linear & Rotational Video Lessons

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Problem: Your roommate is working on his bicycle and has the bike upside down. He spins the 62.0 cm-diameter wheel, and you notice that a pebble stuck in the tread goes by three times every second.a) What is the pebble's speed?b) What is the pebble's acceleration?

FREE Expert Solution

a) 

Tangential speed, v = rω = r2πf

r = 62.0/2 = 31.0 cm

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Problem Details

Your roommate is working on his bicycle and has the bike upside down. He spins the 62.0 cm-diameter wheel, and you notice that a pebble stuck in the tread goes by three times every second.

a) What is the pebble's speed?

b) What is the pebble's acceleration?

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