Two small blocks A and B of unequal mass (mA > mB) slide from rest without friction, through the same height h, down an incline and a circular ramp, respectively, as shown to the right. Which one of the following statements is true?
A) It will take the same time for each to reach the bottom.
B) The speed of A will be greater than the speed of B at the bottom.
C) The same gravitational force will act on each block.
D) The blocks will arrive at the bottom with the same speed.
E) The blocks will arrive at the bottom with the same momentum.