Author Question: Which of these is NOT a vector quantity? a. translational momentum b. angular momentum c. ... (Read 228 times)

maychende · **on:** Jul 28, 2018

Which of these is NOT a vector quantity?
a. translational momentum
b. angular momentum
c. acceleration
d. rotational kinetic energy
e. velocity

Question 2

Which of the following is true about how the planets revolve around the Sun and how the Sun rotates?
a. There is no pattern to the rotation of all these bodies.
b. The planets all revolve in one direction and the Sun rotates on its axis in the other direction.
c. The planets revolve around the Sun in the same direction that the Sun rotates.
d. The Sun rotates on its axis in the opposite direction from the revolution of the planets and thus angular momentum is conserved.
e. The Sun does not rotate, but the planets all revolve around it in the same direction.