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.
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A railroad car with a mass of 13000 kg collides and couple with
a second car...
A railroad car of mass 3.25e4 kg is moving at 3.25 m/s collides and couples with...
A railroad car of mass 3.25e4 kg is moving at 3.25 m/s collides and couples with two couples railroad cars, each of the same mass as the single car and moving in the same direction at 1.20m/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 3.10 ✕ 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 of mass 2.42 × 104 kg is moving with a speed of 3.84 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 of1.92 m/s.
A railroad car of mass 2.42 × 104 kg is moving with a speed of 3.84 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 of1.92 m/s.(a) What is the speed of the four cars after the collision?____ m/s(b) How much mechanical energy is lost in the collision?______J
A railroad car of mass 2.30E+4 kg moving with a speed of 3.00 m/s collides and...
A railroad car of mass 2.30E+4 kg moving with a speed of 3.00 m/s collides and couples with two other coupled railroad cars each of the same mass that are already moving in the same direction at a speed of 1.50 m/s. What is the speed (in m/s) of the three coupled cars after the collision? Tries 0/3 How much kinetic energy (in J) is lost in the collision? Tries 0/3
In the railroad freight yard, an empty freight car of mass m rolls along a straight...
In 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 5.20m. 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...
A railroad freight car, mass 15 000 kg, is allowed to coast along a level track...
A railroad freight car, mass 15 000 kg, is allowed to coast along a level track at a speed of 3.0 m/s. It collides and couples with a 54 000-kg loaded second car, initially at rest and with brakes released. What percentage of the initial kinetic energy of the 15 000-kg car is preserved in the two-coupled cars after collision? Answer options below. A. 14% B. 18% C. 78% D. 22% E. 38%
A 1.20 103 kg railroad car is traveling at 9.00 m/s when it bumps into and...
A 1.20 103 kg railroad car is traveling at 9.00 m/s when it bumps into and connects to a 0.45 10 raroad car that is moving down the tracks in the same direction but with a speed of 3.55 m/s. After they connect together they both continue on. A) What properties are conserved within this system: energy, momentum, both, or neither? B) What is the initial momentum and energy of the first car? C) What is the initial momentum and...
A 1.20 103 kg railroad car is traveling at 9.00 m/s when it bumps into and connects to a 0.45 10 raroad car that is moving down the tracks in the same direction but with a speed of 3.55 m/s. After they connect together they both continue on. A) What properties are conserved within this system: energy, momentum, both, or neither? B) What is the initial momentum and energy of the first car? C) What is the initial momentum and...
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