Aspacecraft left earth to collect soil samples from mars. which statement is true about the strength of earth’s gravity on the moving spacecraft?

a) it decreases.
b) it increases.
c) it remains the same.
d) it doesn’t affect the spacecraft

Astate of matter all that has define volume and can flow is a(n)

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) =_

In a hydrogen molecule there are a total of four charges, 2 protons in the two nuclei, and 2 electrons. how many unique charge-pairs are there (without double counting)?