Two equal mass carts approach each other with velocities equal in magnitude but opposite in direction. Friction can be neglected
. If the carts collide completely inelastically, what will be the final velocity of the combined system? To the left with half the initial velocity
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To the right with half the intial velocity
Therefore momentum is a vector quantity in the direction of velocity.
Inelastic collision is the type of collision in which the masses combine after collision and start moving in the direction of the greater momentum but here in this case we have the momentum equal and opposite in direction.
<u>This case can be described mathematically as:</u>
Becasue when you rubbed your hair while you were putting on your sweater it caused it to rub against together causing electricity thingy lol. and thats why your hair goes straigh tup.