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A 1.20 103 kg railroad car is traveling at 9.00 m/s when it bumps into and...
A 10, 000 kg railroad car is rolling on a horizontal railroad track at 1.20 m/s....
A 10, 000 kg railroad car is rolling on a horizontal railroad track at 1.20 m/s. The 10,000 kg car hits an 18,000 kg car, which is initially at rest, and the cars lock together. What is the final velocity of the coupled cars just after they lock together?
A railroad car with a mass of 13000 kg collides and couple with a second car...
A railroad car with a mass of 13000 kg collides and couple with a second car of mass 20,000kg that is initially at rest. the first car is moving with a speed of 3.5 m/s prior to the collision. a) what is the initial momentum of the first car ? b) if external forces can be ignored, what is the final velocity of the two railroad cars after they couple.
Two railway cars are on a straight railroad track. The first, with mass 8000 kg, moves...
Two railway cars are on a straight railroad track. The first, with mass 8000 kg, moves slowly at a velocity of 0.05 m/s to the right in the direction of the second car of mass 15000 kg, which is stationary. (a) What is the total momentum (relative to the ground) of both cars together? kg m/s They collide and stick to each other. What is the total momentum right after the collision? For the short times involved, you can take...
A railroad car of mass 3.10 ✕ 104 kg moving at 3.40 m/s collides and couples...
A railroad car of mass 3.10 ✕ 104 kg moving at 3.40 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 the collision? (b) How much kinetic energy is lost in the collision?
A railroad car of mass 3.15 ✕ 104 kg moving at 2.75 m/s collides and couples...
A railroad car of mass 3.15 ✕ 104 kg moving at 2.75 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 the collision? (b) How much kinetic energy is lost in the collision?
A railroad car of mass 2.95 ✕ 104 kg moving at 3.10 m/s collides and couples...
A railroad car of mass 2.95 ✕ 104 kg moving at 3.10 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 the collision? m/s (b) How much kinetic energy is lost in the collision? J
A railroad car of mass 2.45 ✕ 104 kg moving at 3.05 m/s collides and couples...
A railroad car of mass 2.45 ✕ 104 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 m/s. (a) What is the speed of the three coupled cars after the collision? m/s (b) How much kinetic energy is lost in the collision? J
A railroad car with a mass of 1.95 ✕ 104 kg moving at 2.88 m/s joins...
A railroad car with a mass of 1.95 ✕ 104 kg moving at 2.88 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 direction at 1.56 m/s. (a) What is the speed of the three joined cars after the collision? m/s (b) What is the decrease in kinetic energy during the collision? J
A proton (mass 1 u) moving at 9.00 10^(6) m/s collides elastically and head-on with a...
A proton (mass 1 u) moving at 9.00 10^(6) m/s collides elastically and head-on with a second particle moving in the opposite direction at 2.00 10^(6) m/s. After the collision, the proton is moving opposite to its initial direction at 5.40 10^(6) m/s. Find the mass and final velocity of the second particle. [Take the proton's initial velocity to be in the positive direction.]
A railroad hopper car filled with sand is rolling with an initial speed of 15 m/s on straight, horizontal tracks. You c...
A railroad hopper car filled with sand is rolling with an initial speed of 15 m/s on straight, horizontal tracks. You can ignore frictional forces on the railroad car. The total mass of the car plus sand is 85,000 kg. The hopper door is not fully closed so sand leaks out the bottoms. After 10 minutes, 13,000 kg of sand has leaked out. So I thought that because it does not say that it is elastic or inelastic that I...
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