An electric motor has an input power of 160 W. In raising a load, 120 W of power is dissipated. How long would it take to vertically lift a 400. N bag of cement through 10.m Give your answer in seconds.
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What can you increase the strength of an electromagnet by

Gabby calls her cousin who lives in a different state and tells her to turn her radio to channel 98.7 so they can listen to their favorite song that is playing. her cousin turns her radio to 98.7, but does not hear the same song gabby hears. which most likely explains why?

The law of reflection states that the angle of reflection is equal to the angle of