john walks to school in the morning and then walks home for lunch. The school is 1000 meters directly north of his house. After lunch, he goes back to the school and then to the field for track that is 30 meters north of the school. What is John's resultant displacement when he remains on the field to run track?

Anybody wanna ? (picture included? )

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

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) =_