Homework Answers
Approach used: here we use the concept of kinetic energy and then solve the two equation simultaneously to find the solution,
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5.24 Two cars are moving. The first car has twice the mass of the second car...
Ch. 6, 4 The first car has twice the mass of a second car, but only...
Ch. 6, 4 The first car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 10 m/s , they then have the same kinetic energy. Part A What were the original speeds of the two cars? Express your answers using two significant figures separated by a comma.
Q2. One car has twice the mass of a second car, but only 1/3 as much...
Q2. One car has twice the mass of a second car, but only 1/3 as much kinetic energy. When both cars increase their speed by 6 m/s they then have the same kinetic energy. What were the original speeds of the two cars?
Q2. One car has twice the mass of a second car, but only 1/3 as much...
Q2. One car has twice the mass of a second car, but only 1/3 as much kinetic energy. When both cars increase their speed by 6 m/s they then have the same kinetic energy. What were the original speeds of the two cars?
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 1.85e4 kg moving at 3.14 m/s collides and couples with two coupled railroad cars, each of the sa...
A railroad car of mass 1.85e4 kg moving at 3.14 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 1.24 m/s.
b)
How much kinetic energy is lost in the collision?
USE THIS DATA:
17400 kg; 3.27 m/s; (help me see how you get the correct answer
of 2.39e4 J.
16-4 A railroad car of mass 1.85e4 kg moving at 3.14 m/s collides and...
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?
Two cars collide at an icy intersection and stick together afterward. The first car has a...
Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1200 kg and was approaching at 6.00 m/s due south. The second car has a mass of 800 kg and was approaching at 21.0 m/s due west. (a) Calculate the final velocity of the cars. (Note that since both cars have an initial velocity, you cannot use the equations for conservation of momentum along the x-axis and y-axis; instead, you must look...
Two cars collide at an icy intersection and stick together afterward. The first car has a...
Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1250 kg and was approaching at 6.00 m/s due south. The second car has a mass of 900 kg and was approaching at 17.0 m/s due west. (a) Calculate the final velocity of the cars. (Note that since both cars have an initial velocity, you cannot use the equations for conservation of momentum along the x-axis and y-axis; instead, you must look...
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
Q2. One car has twice the mass of a second car, but only 1/3 as much kinetic energy. When both cars increase their speed by 6 m/s they then have the same kinetic energy. What were the original speeds of the two cars?
Q2. One car has twice the mass of a second car, but only 1/3 as much kinetic energy. When both cars increase their speed by 6 m/s they then have the same kinetic energy. What were the original speeds of the two cars?
A railroad car of mass 1.85e4 kg moving at 3.14 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 1.24 m/s.
b)
How much kinetic energy is lost in the collision?
USE THIS DATA:
17400 kg; 3.27 m/s; (help me see how you get the correct answer
of 2.39e4 J.
16-4 A railroad car of mass 1.85e4 kg moving at 3.14 m/s collides and...
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