A 500 kg truck and a 400 kg car collide as shown below. 400 kg 500 kg 5 m/s 2 m's Before 500 kg v m's 400 kg 4.0 m's After Based on conservation of momentum, fill in the momentum chart. Do NOT include units. Before Collision After Collision Car A 1 4 Car B 5 Total 3 4 1, 2.
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- Your friend says, “When two objects stick together, since they have the same speed, they must have the same momentum after the collision.” Do you agree with your friend? Show why or why not, based on your data.Fill in the data tablesFor each of these collisions, can we see that momentum is conserved? Show why or why not, based on your data.
- The graph shows the force acting on an object with a mass as a function of time. For the time interval from 0 to 8 seconds, the total change in the object's momentum (in kg.m/s) is: Force (N) Time (s) 6. -7 O a. -14 O b. -14 O C. -16 O d.-10 00A 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 ATwo cars are on a track, and they collide. Cart, has initial momentum of +5kgm/s, and final momentum -3kgm/s Cart 2 has momentum initially of -4kg m/s and final momentum of +4kg m/s. Explain what you think about the frition on the track.
- 3. Two balls, each of mass 0.50 kg, collide as shown in Figure 6.6. Show that their total momentum before the collision is equal to their total momentum after the collision. before after 2.0 ms-1 3.0 ms-1 2.0 m s-1 1.0 ms-1There are two cars, A and B, that have initial momentum (22 kg.m/s) and (-11 kg.m/s), respectively. The final momentum of car A is (4 kg.m/s). The final momentum of car B (after collision) (in kg.m/s) is B. O a. 9 Ob. 6 O c. 7 O d. 11a 200g rubber ball traveling with a momentum of 20.0 kg x m/s east rebounds off the wall with a momentum of 18.0 kg x m/s west. The ball is in contact with the wall for 0.100s 1. The force that the wall exerts on the ball during the collision is a)380 N west b) 380 N east c)20 N west d)20 N east 2. during the collision above, how much kinetic energy is lost by the ball? a)10.0J b)3.61 x 10^3J C) 190J d)20J 3. Kinetic energy lost from the system above was not actually lost. Rather it was converted into a) sound and heat due to friction b) heat due to friction only c)heat due to air resistance only d)sound and heat due to air resistance