5. Two football players with a mass of 75 kg and 100 kg run directly toward each other with speeds of 6.0 m/s and 8.0 m/s respectively. If the two players grab each other as they collide, the combined speed just after the collision is _. What type of collision is this? A. Elastic mul B. Inelastic C. Impulse D. Explosion Clay Block Clay Block Before Collision After Collision 6. In the pictures above, a lump of clay with a mass of 1.3 kg is traveling horizontally to the right at a velocity ra of 3.5 m/s. The clay is traveling toward a block with a mass of 5.0 kg that is at rest on a frictionless surface. After colliding, the clay and the block stick together and move to the right at what velocity? A. 0.72 m/s B. 1.10 m/s C. 2.69 m/s D. 3.50 m/s Before Collision Red Blue V = 3 m/s V = - 3 m/s 7. The red cart has a mass of 3 kg and the blue cart has a mass of 1 kg. After the collision the blue cart has a velocity of 6m/s, what is the velocity of the red cart after the collision? A. 2 m/s B. Om/s C. 4m/s D. 1.5 m/s 8. You and your skateboard are 78 kg together; I push you on your skateboard from a stop to a speed of 11 m/s with a force of 4N. How long do I need to push you to get you to 11 m/s? A. 3,432 s B. 28.36 s C. 214.5 s D. 0.0047 s