A man pulls his luggage on a 30 degree incline with a constant force of 25 N. How much work does he do after walking 20.0 m?
a) 430 J
b) 330J
c) 1500J
d) 250 J

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?

A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s.what is the wavelength?