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March 4, 2015

March 4, 2015

Posted by **Carmen** on Wednesday, September 1, 2010 at 8:41am.

#2. A frictional force is necessary for a car to round a bend. The frictional force, F kilonewtons, varies directly as the square of the car's speed, V meters per second, and inversely as the radius of the bend, R meters. Write down a relationship between F, V and R.

- Math Word Problems -
**Reiny**, Wednesday, September 1, 2010 at 9:43ampressure P varies inversely with the volume V ---> P = k/V

when P=35, V - 400

35 = k/400

k = 35(400) = 14000

so P = 14000/V

I will assume you meant to say 100 cubic inches at the end of the first problem

so when V = 100

P = 14000/100 = 140

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