What is a cluster?
a.) plasma emission from the sun b.) cosmic rays in the solar system c.) portion of space containing many planets d.) portion of space containing many galaxies

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

An electromagnet is a device in which moving electric chargers in a coil of wire create a magnet.whats one advantage of using electromagnetic in devices

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) =_