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Question: a train composed of a small engine car and a...

Question details

A train composed of a small engine car and a massive cargo car are connected as they move along a track. The speed of the small engine car is ____(blank 1)___ the speed of the massive cargo car. The magnitude of the acceleration of the small engine car is ____(blank 2)___ the magnitude of the acceleration of the massive cargo car because ____(blank 3)___ .

Blank 1:

A. greater than

B. less than

C. equal to

Blank 2:

A. greater than

B. less than

C. equal to

Blank 3:

A. the net force on the cars must be equal

B. the car's speeds cannot change by different amounts

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