Saturday
November 29, 2014

Homework Help: Physics

Posted by Harold on Wednesday, March 4, 2009 at 10:02pm.

A 1400 kg truck goes up a hilly road at a steady 60 km/h. The force of air resistance on the truck is 400 N. If the truck's engine supplies the enrgy to the drive wheels at a rate of 35 kW, what is the slope angle of the road?

I get 7.1 please help, don't really get it.

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