Which of the following describes the mechanical advantage of a machine?

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

In the circuit, the switch s has been open for a long time and r = 125 kohm. it is then suddenly closed. (a) determine the time constant before the switch is closed. s (b) determine the time constant after the switch is closed. _ s (c) let the switch be closed at t = 0. find the current in the switch as a function of time. (use t for time. express your answer in milliamps and seconds.) i(t) =_

Sunidhi made a study chart about changes in states of matter. which headings best complete the chart?