When oil is burned to produce electricity, the electrical energy produced is less than the potential energy in the oil. Which best explains this
observation?

An implanted pacemaker supplies the heart with 72 pulses per minute, each pulse providing 6.0 v for 0.65 ms. the resistance of the heart muscle between the pacemaker’s electrodes is 550 ω. find (a) the current that flows during a pulse, (b) the energy delivered in one pulse, and (c) the average power supplied by the pacemaker.

What is the measure of a change in an objects velocity?

More solar radiation is absorbed by earth’s surface than by