In the battle for dominance in 1952 Korea, Americans are shooting North and the Vietcong are shooting south. In the heat of warfare, a 0.00402 kg (5.56 round) flying at 948 m/s strikes a 0.00933 kg (7.62 round) at flying south. After they strike one another, without sticking, both bullets fall straight down to the ground. What was the velocity of the (7.62 round)?

On a horizontal frictionless surface, a small block with mass 0.200 kg has a collision with a block of mass 0.400 kg. immediately after the collision, the 0.200 kg block is moving at 12.0 m/s in the direction 30° north of east and the 0.400 kg block is moving at 11.2 m/s in the direction 53.1° south of east. use coordinates where the +x-axis is east and the +y-axis is north.(a) what is the total kinetic energy of the two blocks after the collision (in ) what is the x-component of the total momentum of the two blocks after the collision? (indicate the direction with the sign of your ) what is the y-component of the total momentum of the two blocks after the collision? (indicate the direction with the sign of your answer.)