When an automobile moves with constant velocity the power developed is used to overcome the frictional forces exerted by the air and the road. If the power developed in an engine is 50.0 hp, what total frictional force acts on the car at 55 mph (24.6 m/s)? One horsepower equals 746 W
1520 N
Physics & Space Science
You might also like to view...
The most common molecule in a molecular cloud is:
A) methane, CH4. B) molecular hydrogen, H2. C) carbon monoxide, CO. D) water, H2O. E) ammonia, NH3.
Physics & Space Science
Which of the following devices represent(s) a practical application of the photoelectric effect?
a. hologram b. photocell c. both of the above choices d. none of the above choices
Physics & Space Science
If a proton and an electron have the same speed, which one has the longer de Broglie wavelength?
A) the electron B) the proton C) It is the same for both of them.
Physics & Space Science
The most important factor in soil development is
What will be an ideal response?
Physics & Space Science