Posted by **JoAnna** on Thursday, November 1, 2012 at 12:22am.

A curve of radius 20 m is banked so that a

970 kg car traveling at 50 km/h can round it

even if the road is so icy that the coeﬃcient of

static friction is approximately zero.

The acceleration of gravity is 9.81 m/s^2

Find the minimum speed at which a car can

travel around this curve without skidding if

the coeﬃcient of static friction between the

road and the tires is 0.3.

Answer in units of m/s

Find the maximum speed under the same

conditions.

Answer in units of m/s

Thanks in advance :)

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