A toy car of mass 4.0 kg is sitting stationary when a child rolls a toy truck of mass 6.5 kg straight towards it in the negative x-direction with a speed of 5.0 m/s.The velocity of the center of mass of the system consisting of the two toys is
A)2.1 m/s

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B)-2.1 m/s A toy car of mass 4.0 kg is sitting stationary when a child rolls a toy truck of mass 6.5 kg straight towards it in the negative x-direction with a speed of 5.0 m/s.The velocity of the center of mass of the system consisting of the two toys is A)2.1 m/s . B)-2.1 m/s . C)3.1 m/s . D)-3.1 m/s . E)33 m/s .

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C)3.1 m/s A toy car of mass 4.0 kg is sitting stationary when a child rolls a toy truck of mass 6.5 kg straight towards it in the negative x-direction with a speed of 5.0 m/s.The velocity of the center of mass of the system consisting of the two toys is A)2.1 m/s . B)-2.1 m/s . C)3.1 m/s . D)-3.1 m/s . E)33 m/s .

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D)-3.1 m/s A toy car of mass 4.0 kg is sitting stationary when a child rolls a toy truck of mass 6.5 kg straight towards it in the negative x-direction with a speed of 5.0 m/s.The velocity of the center of mass of the system consisting of the two toys is A)2.1 m/s . B)-2.1 m/s . C)3.1 m/s . D)-3.1 m/s . E)33 m/s .

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E)33 m/s A toy car of mass 4.0 kg is sitting stationary when a child rolls a toy truck of mass 6.5 kg straight towards it in the negative x-direction with a speed of 5.0 m/s.The velocity of the center of mass of the system consisting of the two toys is A)2.1 m/s . B)-2.1 m/s . C)3.1 m/s . D)-3.1 m/s . E)33 m/s .

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