Posted by rizzo on Tuesday, October 5, 2010 at 9:05pm.
2. A car of mass 1540 kg traveling at 28 m/s is at the foot of a hill that rises 125 m in 3.6 km. At the top of the hill, the speed of the car is 8 m/s. Find the average power delivered by the car's engine, neglecting any frictional losses.

physics  xp, Tuesday, October 9, 2012 at 10:36pm
A car of mass 1550 kg traveling at 24 m/s is at the foot of a hill that rises 125 m in 3.4 km. At the top of the hill, the speed of the car is 10 m/s. Find the average power delivered by the car's engine, neglecting any frictional losses
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