Author Question: Since magnetic force on a moving electron is always perpendicular to its direction of motion, ... (Read 39 times)

oliviahorn72 · **on:** Jul 29, 2018

Since magnetic force on a moving electron is always perpendicular to its direction of motion, magnetic force is unable to change an electron's

A) speed.
B) direction.
C) speed and direction.
D) none of the above

Question 2

The interior of a refrigerator has a volume of 0.600 m3. The temperature inside the refrigerator in 282 K, and the pressure is 101 kPa.

If the molecular weight of air is 29 g/mol, what is the mass of air inside the refrigerator? The ideal gas constant is R = 8.314 J/molK = 0.0821 L atm/mol K. A) 500 g
B) 560 g
C) 140 g
D) 270 g
E) 750 g