A Car Heading North Collides at an Intersection with a Truck

question 4

Multiple Choice

A car heading north collides at an intersection with a truck of the same mass as the car heading east.If they lock together and travel at 28 m/s at 46° north of east just after the collision,how fast was the car initially traveling? Assume that any other unbalanced forces are negligible.

• A) 40 m/s
• B) 20 m/s
• C) 80 m/s
• D) 30 m/s

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