A railroad car of mass 2.35 x 10^4 kg moving at 3.05 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 ms. (a) What is the speed of the three coupled cars after the c. A 1000-kg car traveling at 9 m/s strikes a stationary 2000-kg truck. Do. Calculate the momentum of a 12ookg car with a velocity of 25m/s. (a). The cars lock together as they skid on the ice. Tours Add a Place Travel Forum Airlines Travel Guides Road Trips Help Center. 100% of travelers recommend this experience. A 85 kg running back is moving at +12 m/s and strikes a 125 kg linebacker moving at -8.0 m/s. A car with a mass of 1200 kg and a speed of 12 m/s heading north approaches am intersection. Concept -, A: massofeachrailroadcar(m)=500000kginitialspeedoffirstrailroadcar=uinitialspeedof, A: Given (a). (b) What is the average force applied to the driver by the seatbelt? C. A car traveling next to you at a. This problem has been solved! What is the speed of the three cars after the collision? (a) Speed of the three coupled. Determine the following. move at the same speed 12.0 m/s as a result of the collision, how (a) What is the initial momentum of the first car? As the two players move together A railroad car of a mass of 24,000 kg is moving with a speed of 4.03 m/s. They couple upon collision and move away as one body at what m/s? Block of mass m = 5.4 kg a) W, A railroad car of mass 2.50 x 10^4 kg moving at 4.00 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 m/s. (a) What is the speed of the three coupled cars after th, A railroad car of mass 2.00 times 10^4 kg moving at 3.00 m / s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 m / s. (a) What is the speed of the three coupled cars a, A railroad car of mass 3.40 \times 10^4 \ kg moving at 3.5 \ m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 \ m/s What is the speed of the three-coupled cars after, A railroad car of mass 2.47 x 10^{4} kg is moving with a speed of 4.02 m/s. $20,000/0.02 + $20,000. A 5,000 kg open train car is rolling on frictionless rails at 22 m/s when it starts pouring rain. All rights reserved. (e) The velocities cannot be determined without knowing the mass of each ball. It collides and couples with three other coupled railroad cars, each of the same mass as the single car and moving in the same direction with an initial speed of 2.00 m/s. Each railroad car has a mass of 75000 kg. A 12,000kg. What is their final speed? Please give your answer in units of m/s, however, do not explicitly include units when . Seven coupled railroad car moving with a speed of 3.7 m/s collide and couples with eight other coupled railroad cars moving in the same direction, Two railroad freight cars with masses 130 kg and 140 kg approach with equal speeds of 0.320 m/s. Related questions. 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A rail car of mass 20,000 kg is traveling east with a speed of 12 m/s. {/eq} railroad car is traveling at {eq}2\text{ m/s} It collides and couples with three other coupled railroad cars, each of the same mass as the single car and moving in the same dire, A railroad car of mass 2.45x10^4kg is moving with a speed of 4.14m/s. {/eq} is the mass of the railroad cars, {eq}\displaystyle v_1 = 24\ m/s A 20,000 kg railroad car is traveling at 5 m/s when it collides and couples with a second, identical car at rest. a) What i. A 10,000 kg railroad car traveling north at 10 m/s collides with a 5,000 kg rail car also moving north but at an unknown speed. What is the velocity of, A 1500 Kg car traveling east at 18.0 m/s collides with a 2000 Kg truck traveling at 25.0 m/s north. The cars lock together as a result of the collision. The conveyor belt is supported by frictionless rollers and moves at a constant speed of v = 0.750 m/s under the action of a constant horizontal external force Fext supplied by the motor that drives the belt. Find (a) the sands rate of change of momentum in the horizontal direction, (b) the force of friction exerted by the belt on the sand, (c) the external force Fext, (d) the work done by Fext in 1 s, and (c) the kinetic energy acquired by the falling sand each second due to the change in its horizontal motion. Learn the concepts of inelastic collision and elastic collision. An airplane flying acroos the sky. How fast was the second car moving before the impact? A {eq}10,000 \ kg After the cue ball strikes the group, the four balls scatter, each traveling in a different direction with different speeds as shown in Figure P10.30. The mass of the first cart is 10 kg moving with 4 m/s in rightward. A car of mass 10,000 kg and speed of 10 m/s is coming onto a track where another set of coupled cars of total mass 50,000 kg is sitting at rest. A, A railroad car of mass 15000 kg and velocity 5 m/s collides completely inelastically with a stationary railroad car of mass 25000 kg and couples to it. Typically, mass stays constant (for non-relativistic motion), so momentum is proportional to velocity. Determine the following. A railroad car of mass 2.80 \times 10^4\ kg moving at 2.90 m collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 m/s. (a) What is the speed of the three coupled cars, A railroad car with a mass of 2.33 x 10^4 kg moving at 3.71 m/s collides and joins with two railroad cars already joined together, each with the same mass as the single car and initially moving in, A railroad car with a mass of 2.35*10^4 kg moving at 3.90 m/s collides and joins with two railroad cars already joined together, each with the same mass as the single car and initially moving in the s, A railroad car with a mass of 2.33 x 104 kg moving at 3.71 m/s collides and joins with two railroad cars already joined together, each with the same mass as the single car and initially moving in the, A railroad car of mass 2.59104 kg is moving with a speed of 4.16 m/s. Figure P8.64, Two skateboarders, with masses m1 = 75.0 kg and m2 = 65.0 kg, simultaneously leave the opposite sides of a frictionless half-pipe at height h = 4.00 m as shown in Figure P11.49. a) What is, A railroad car of mass 2.55 x 104 kg, is moving with a speed of 4.20 m/s. A 4500 kg truck traveling at 17.5 m/s collides with a motionless 1350 kg car.They become locked together.If there is no friction, what is their velocity? It collides and couples with three other coupled railroad cars, each of the same mass as the single car and moving in the same direction with an initial speed of 2.00 m/s. What is their final speed? A railroad car with a mass of 12,000 kg collides and couples with a second car of mass 18,000 kg that is initially at rest. The mass of the car is m1=1000kg Solved A 10000 kg railroad car, A, traveling at a speed of - Chegg A 1 kg ball moving at 12 m/s collides head-on with a 2 kg ball moving in the opposite direction at 24 m/s. What is their speed after the collision? If the cars lock together as a result of the collision, what is their common speed just afterward? (b) What is the impuls, A railroad car with a mass of 1.98 * 10^4 kg moving at 2.92 m/s joins with two railroad cars already joined together, each with the same mass as the single car and initially moving in the same directi. A 10,000-kg railroad car A, traveling at a speed of 24.0 m/s It collides and couples with three other coupled railroad cars, each of the same mass as the single car and moving in the same direction with an initial speed of 100 m/s. (b) What is the impuls, A railroad car of mass 2.90 multiplied by 104 kg moving at 3.50 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at 1.20 m/s. What is their speed, A railroad car of mass m = 38000 kg moving at v1 = 3.9 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car and moving in the same direction at v2 = 2.184 m/s.
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