A football kick returner catches the ball just as a player from the opposing team dives to tackle him. At the time of impact, the returner’s momentum is 0 kg-m/s, and the diving player’s momentum is 130 kg-m/s. What will the magnitude of the total momentum be just after the collision?(1 point)
Responses
130 kg-m/s
130 kg-m/s
65 kg-m/s
65 kg-m/s
0 kg-m/s
0 kg-m/s
260 kg-m/s
The principle of conservation of momentum states that the total momentum before a collision is equal to the total momentum after the collision, as long as no external forces are acting on the system.
Since the returner's momentum is 0 kg-m/s and the diving player's momentum is 130 kg-m/s, the total momentum before the collision is 0 kg-m/s + 130 kg-m/s = 130 kg-m/s.
Therefore, the magnitude of the total momentum just after the collision will still be 130 kg-m/s.
So the correct answer is: 130 kg-m/s.