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September 20, 2014

Homework Help: physics

Posted by HELP!!! on Friday, November 30, 2012 at 7:02pm.

If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from sliding toward the inside of the curve (a real problem on icy mountain roads).
(a) Calculate the ideal speed to take a 105-m radius curve banked at 13.0.


km/h

(b) What is the minimum coefficient of friction needed for a frightened driver to take the same curve at 20.0 km/h?

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