Which of the following telescopes would have the theoretical (ignoring atmosphere) best resolution (able to see the smallest detail)? a) aricebo - 300 m diameter in the radio spectrum (3 cm) b) keck ii - 10 m diameter in the infrared (100 nm) c) spitzer space telescope - 0.85 m diameter in microwave spectrum (3 micrometers) d) starfire optical range - 3.5 m diameter in visible light (500 nm)

Acharge q experiences no net force at a particular point in space. which of the following situations described below must always be true? -there are no other charges nearby. -if there are other charges nearby, they must all have the same sign as q. -if there are other charges nearby, they must all have the opposite sign of q. -if there are other charges nearby, the total positive charge must equal the total negative charge. -none of the above