Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1050 kg and is approaching at 6.5 m/s due south. The second car has a mass of 750 kg and is approaching at 19.5 m/s due west. 1) Calculate the magnitude of the final velocity, in meters per second, of the cars. v' = 2) Calculate the direction of the final velocity, in degrees south of west, of the cars. θ = 3) What is the change in kinetic energy, in joules, for the collision? (This energy goes into deformation of the cars.) ΔKE =

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Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1050 kg and is approaching at 6.5 m/s due south. The second car has a mass of 750 kg and is approaching at 19.5 m/s due west.

1) Calculate the magnitude of the final velocity, in meters per second, of the cars.

v' =

2) Calculate the direction of the final velocity, in degrees south of west, of the cars.

θ =

3) What is the change in kinetic energy, in joules, for the collision? (This energy goes into deformation of the cars.)

ΔKE =

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