A Car of Mass 3 $\times$ 10³ Kg Traveling at a Speed of 20 Is

question 16

Multiple Choice

A car of mass 3.0 $\times$ 10³ kg traveling at a speed of 20 is passing a truck of mass 7.5 $\times$ 10³ kg traveling at a speed of 16 in the same direction.What is the speed of the center of mass of this system?

• A)16
• B)17
• C)18
• D)19
• E)20

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