A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What is the efficiency of the machine?

Does sound travel outside earth's atmosphere in space explain

Can reverse magnetic compulsion be turned in to a form of non-lethal weaponry?

The newly formed xenon nucleus is left in an excited state. Thus, when it decays to a state of lower energy a gamma ray is emitted. If the wavelength of the emitted gamma ray is 3.

A conducting copper wire has a 2.0mm diametr, a 1.5 length, and a 50 m resistance. What is the resitivity of the wire? What general information would you need to find out in order to answer the question

Whether calculating speed or acceleration, this data is required

The peregrine falcon is the world's fastest known bird and has been clocked diving downward toward its prey at constant vertical velocity of 97.2 m/s. If the falcon dives straight down from a height of 100.

Smooth and continuous data is a characteristic of a (n) analog signal binary signal digital signal pulse signal

If 3600 j of work is done in 3.0 s what is the power 0.00083W 1200W 3600W 11000W

Convert 59°c to farenheit

Heat is transferred from one particle of matter to another without the movement of matter itself in a process called