Shaneil was able to hold up a 20N box for 40s to test her strength. What power was exerted to hold up the box?

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) =_

Will mark brainliest! asap! ! 16) which of the clouds shown would indicate a possible future rain storm? a) b) c) d)

Due in 40 explain in terms of frame of reference if you’re inside a moving train everything on the outside can seem to be moving