Two-Dimensional Inelastic Collision
A 2000 kg car traveling east at 15 m/s collides with a 1500 kg car traveling north at 20 m/s. The cars lock together upon impact. What is the magnitude of their velocity immediately following the collision?
A
8.6 m/s
B
25 m/s
C
17.5 m/s
D
13 m/s
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