What must be true of an object that has gravitational potential energy? it is stretched beyond a certain length. it is above a reference point. it is compressed shorter than a given length. it is moving past a reference point.

Which branches of natural science include the study of an organism that lived 10 million years ago

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) =_

Define the terms moral development and moral reasoning