Car Driving Uphill?

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A car (m = 710.0 kg) accelerates uniformly from rest up an inclined road which rises uniformly, to a height, h = 41.0 m. Find the average power the engine must deliver to reach a speed of 20.7 m/s at the top of the hill in 19.3 s(NEGLECT frictional losses: air and rolling, ...)

2007-02-23 14:39:12 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Physics

2 answers

Don't have my slide rule handy, but the line of attack seems to be the increase in energy, both potential and kinetic that occurs divided by the time elasped, 19.3 sec. This gives you average power.

Check out the pig question. I wonder how long it would take the car to slide down the incline.

2007-02-23 15:01:21 · answer #1 · answered by cattbarf 7 · 0⤊ 0⤋

you need to know what the angle is.

2007-02-23 22:52:21 · answer #2 · answered by ui6fu6yujt c 2 · 0⤊ 0⤋