Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1550 kg and was approaching at 4.00 m/s due south. The second car has a mass of 750 kg and was approaching at 19.0 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 for other simplifying aspects..) Magnitude m/s Direction ° (counterclockwise from west is positive) (b) How much kinetic energy is lost in the collision? (This energy goes into deformation of the cars.)
Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1550 kg and was approaching at 4.00 m/s due south. The second car has a mass of 750 kg and was approaching at 19.0 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 for other simplifying aspects..) Magnitude m/s Direction ° (counterclockwise from west is positive) (b) How much kinetic energy is lost in the collision? (This energy goes into deformation of the cars.)
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Chapter1: Units, Trigonometry. And Vectors
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Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1550 kg and was approaching at 4.00 m/s due south. The second car has a mass of 750 kg and was approaching at 19.0 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 for other simplifying aspects..)
Magnitude
m/s
Direction
° (counterclockwise from west is positive)
(b) How much kinetic energy is lost in the collision? (This energy goes into deformation of the cars.)
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