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April 28, 2015

Homework Help: physics

Posted by bob on Friday, January 6, 2012 at 3:14pm.

A 640-kg racing car completes one lap in 14.3 s around a circular track with a radius of 45.0 m. The car moves at constant speed.
(a) What is the acceleration of the car?
m/s2

(b) What force must the track exert on the tires to produce this acceleration?

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