3. A 100-g marble was moving to the right at a velocity of 5.0 m/s and collided with a 30.0-g marble moving in the opposite direction at a velocity 3.0 m/s. If the heavier marble stopped moving after the collision, at what velocity did the other marble move and to what direction?

6. A 0.60 kg basketball rebounds at a speed of 5.2 m/ sec a.Calculate the balls change in momentum (magnitude and direction) b.Calculate the average force on the ball if the collision lasts 0.12 sec.

2. A cart of mass 300 g moving along a straight track hits a 500 g cart which had been sitting still. After the carts hit, the 300 g cart has a speed of 1.0 m/s back to where it came from, while the 500 g cart is moving forward at 3.0 m/s in the same direction as the 300 g cart had been going at the beginning. How fast was the 300 g cart going before it hit the 500 g cart?

A 7400 kg truck traveling along a straight road at 14 m/s comes to a stop and remains stationary for several minutes. It then accelerates backward in reverse until it reaches 5.0 m/s in the opposite direction. What is the magnitude of the change in momentum of the truck for this entire process? A. 100,000 kg. m/s B. 140,000 kg. m/s C. 67,000 kgm/s D. 37,000 kgm/s O C O B OD O A

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3. A 4 Kg of putty moving to the right has a head-on inelastic collision with 2 Kg putty moving to the left. If the combined blob does not move after the collision, what can we say about the speeds of the two blobs? a. V2 = V1 b. V2 = V1/2 c. V2 = 2*V1

Q2. A green toy car with 0.025-kg mass moves to the right at 0.30 m/s and has a head-on, elastic collision with a black 0.045-kg toy car which is at rest on a smooth, level surface.  Which of the following are the correct magnitudes and directions of the velocities of the two toy cars after the collision?   0.025 kg toy car         0.045 kg toy car A)  0.09 m/s, left      0.21 m/s, right B)  0.10 m/s, right    0.30 m/s, right C)  zero m/s              0.25 m/s, right D)  0.20 m/s, left      0.20 m/s, right E)  0.20 m/s, left      zero m/s   B   C   A   E   D

Collisions in one dimension or glancing collisions?

5. Two skaters with masses of 40 kg and 50 kg are at rest on frictionless ice. The 40 kg skater pushes the 50 kg skater. After the push, the 50 kg skater moves right at 4 m/s. What is the 40 kg skater's velocity after the push? 6. A 2500 kg truck moving right at 15 m/s collides and sticks to a 1500 kg car moving right at 10 m/s. If external forces can be ignored, then what are the vehicles' velocities after the collision? What are the impulses on the vehicles?

A 0.450 kg hammer is moving horizontally at 9.00 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board.   a. Calculate the duration of the impact in seconds.   b. What was the average force in newtons exerted on the nail?   _______ N