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A 1500-kg car traveling at 90.0 km/h east collides with a 3000-kg car traveling at 60.0 km/hsouth. The two cars stick together after the collision. (See Fig. 7-1.) What is the speed of thecars after collision?A) 8.33 m/sB) 13.9 m/sC) 17.4 m/sD) 21.7 m/s
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