A 1100kg car is traveling 25m/s to the right when it rear-ends a pickup truck initially at rest. The vehicles lock together inelastically and continue right at 11m/s after the collision. before collision: Pcar unit Ptruck unit after collision: Pcombined = unit What is the combined mass of the vehicles? unit What is the mass of the pickup truck? unit
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- A0.02-kg bullet is fired into a stationary block of wood af mass of 4,76 kg. The relative speed of the bullet with respect to the wood is zero after collision (The bullet becomes embedded in the block of wood). What is the speed of the bullet-plus-wood cambination immediately after collision it the speed of the bullet before collision is 467 m/s? Express your answer in two decimal places and with units of m/s.A lineback with a mass of 83kg strikes a 71 kg quarterbacker. The lineback was moving to the left at 5 m/s while the quarterbacker was moving to the right at 1.7 m/s. a)If the quarterbacker is thrown to the left at 3m/s after the collision, then what is the linebacks velocity after the collision? b) Determine the change in momentum of each player.Which of the following DOES NOT describe perfectly inelastic collision? A. The total momentum of the system is conserved. B. The colliding bodies stick together after the collision. C. The elasticity of collision is zero. D. The total kinetic energy of the system is conserved.
- A 1425 kg truck driving at 13.0 m/s collides elastically with a stationary 1175 kg car. If the car is traveling 14.25 m/s just after the collision, what is the velocity of the truck immediately after the collision? Assume that this is a perfectly elastic collision. Round your answer to the hundredths place. Final velocity of the truck = m/sA 32-kg object #1 having an initial velocity of 42 m/s to the right collides with a 68kg object #2 moving to the left at 17 m/s. The coefficient of restitution for this collision is 0.68. Take right as the + direction.  A. Identify the type of collision. B. Determine the velocities of both objects following the impact. Identify as right or left in each case. C. Determine the percent of the initial kinetic energy lost in the collision.Question Vị = 8 m/s A Vi = 16 m/s Objects A and B (Mass A = 6kg, Mass B = 4kg) have a head-on collision as shown. Immediately before the collision, Object A has a velocity of 8 m/s to the right, and Object B has a velocity 16 m/s to the left. Immediately after the collision, Object A has a velocity 4 m/s to the left. What is the magnitude and direction of the velocity of Object B ilmmediately after the collision? %3D Answer
- A 2 kg car is traveling at 10 m/s. It collides and sitcks with a 5 kg car traveling the opposite direcyion at 7 m/s. a. Draw an IF Chart for the scenario b. Calculate the total initial momentum c. Calculate the final velocity of the two carshelp asapppTwo cars each with a speed of 30 m/s are sliding on frictionless ice at an intersection and collide. Car #1 has mass 1400 kg and Car#2 has mass 1300 kg. The cars stick together after colliding. A) What is the angle the combined mass comes off the collision at ? B)What is the speed of the combined mass?
- E6.) A ball experiences a change in momentum of 24 kg-m/s.a. What is the impulse acting on the ball?b. If the time of interaction is 0.15 s, what is the magnitude of the average force acting on the ball? Answer with the correct formula.Lucy is cruising through space in her new spaceship. As she coasts along, a tiny spacebug drifts into her path and bounces off the window. Consider several statements concerning this scenario. Evaluate each statement according to the law of momentum conservation and match it to the appropriate category. Must be true according to the law of momentum conservation Must be false according to the law of momentum conservation Answer Bank Not determined by the law of momentum conservation If the spacebug had stuck to the spaceship instead of bouncing off, momentum would not have been conserved for this interaction. The change in the spacebug's momentum during the collision is greater than the change in the spaceship's momentum. The total chanaa in momentum for this interaction is nem The total momentum of the spaceship and spacebug before the collision is equal to their total momentum afterward. 日示全部 XIn the railroad freight yard, an empty freight car of mass m rolls along a straight level track at 1.20 m/s and collides with an initially stationary, fully loaded boxcar of mass 5.80m. The two cars couple together on collision. a.)What is the speed of the two cars after the collision? b.)Suppose instead that the two cars are at rest after the collision. With what speed was the loaded boxcar moving before the collision if the empty one was moving at 1.20 m/s?