Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1300 kg and was approaching at 4.00 m/s due south. The second car has a mass of 750 kg and was approaching at 21.0 m/s due west. (a) Calculate the final velocity (magnitude in m/s and direction in degrees counterclockwise from the west) 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 (b) How much kinetic energy (in J) is lost in the collision? (This energy goes into deformation of the cars.) J

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Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1300 kg and was
approaching at 4.00 m/s due south. The second car has a mass of 750 kg and was approaching at 21.0 m/s due west.
(a) Calculate the final velocity (magnitude in m/s and direction in degrees counterclockwise from the west) 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.)
m/s
magnitude
direction
º counterclockwise from west
(b) How much kinetic energy (in J) is lost in the collision? (This energy goes into deformation of the cars.)
J
t
Transcribed Image Text:Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1300 kg and was approaching at 4.00 m/s due south. The second car has a mass of 750 kg and was approaching at 21.0 m/s due west. (a) Calculate the final velocity (magnitude in m/s and direction in degrees counterclockwise from the west) 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.) m/s magnitude direction º counterclockwise from west (b) How much kinetic energy (in J) is lost in the collision? (This energy goes into deformation of the cars.) J t
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