A block m1 of mass 5 kg moving at 10 m / s to the right collides with another block m2 of equal mass that was at rest on a horizontal plane without friction. Which of the following is not possible after the crash? a. M1 remains at rest and m2 is moving at 10 m/s to the right.
b. M1 moves 4 m/ to the right and m2 moves 6 m/s to the right.
c. M1 moves 2 m/s to the left and m2 moves 8 m/s to the right.
d. M1 and m2 move together 5 m/s to the right.
e. M1 moves 5 m/s to the left and m2 moves 15 m/s to the right.