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Physics 11 Online
OpenStudy (anonymous):

medal will be given!! A bicyclist of mass 112 kg rides in a circle at a speed of 8.9 m/s. If the radius of the circle is 15.5 m, what is the centripetal force on the bicyclist? A. 655 N B. 291 N C. 572 N D. 338 N

OpenStudy (matt101):

Centripetal force is just mass times centripetal acceleration (F=ma). You know the mass, so how do you calculate centripetal acceleration?

OpenStudy (anonymous):

Remember, centripetal force is here a result of the friction between road and bicycle wheels. mv^2/r is the formula, plug and chug to get c.

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