You throw a ball straight up, it peaks out, and then comes back ...

[karlynnae]

You throw a ball straight up, it peaks out, and then comes back down to you. During this motion, the velocity and acceleration
 a. always point in the same direction
  b. always point opposite to each other
  c. sometimes point in the same direction, and other times point opposite to each other
  d. depend on the way the ball is thrown
  e. depend on the mass of the ball

Question 2

Which of the following is conserved?
 a. Protons.
  b. Electrons.
  c. Element Identity.
  d. Atomic Number.
  e. Nucleons.

[ergserg]

Answer to Question 1

C

Answer to Question 2

e

[karlynnae]

Both answers were spot on, thank you once again

[ergserg]

Great! Please up vote