Momentum is a vector quantity, and is always conserved. Whenever a collision occurs between two objects, the objects behave under the principle of conservation of momentum. Therefore, if an object moves in the direction opposite to its original direction after a collision, then this indicates that the momentum of the colliding object was greater than the object under consideration.
D, it is considered unethical today
Cocking your head would be most useful for detecting the LOCATION of a sound.
0 mark is your answer because you want to start at 0