Author Question: Two masses m1 and m2, with m1 > m2, have momenta with equal magnitudes. How do their kinetic ... (Read 54 times)

anshika · **on:** Jul 28, 2018

Two masses m1 and m2, with m1 > m2, have momenta with equal magnitudes. How do their kinetic energies compare?
a. KE1 < KE2
c. KE1 > KE2
b. KE1 = KE2
d. More information is needed.

Question 2

The beam of electrons that hits the screen of an oscilloscope is moved up and down by:
a. varying the electron's charge.
b. electrical charges on deflecting plates above and below the beam.
c. gravity.
d. a phosphorescent coating.