Question

A sandbag motionless in outer space is hit by a three-times-as massive sandbag moving at 12 m/s. They stick together and move at a speed of
A) 3 m/s.
B) 4 m/s.
C) 6 m/s.
D) 8 m/s.
E) none of the above

Answer

This answer is hidden. It contains 1 characters.