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Homework Help
Introductory Physics Homework Help
Common velocity after truck starts pulling a car
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[QUOTE="nikolafmf, post: 6027246, member: 284130"] [h2]Homework Statement [/h2] Truck is connected to a car with a rope of given length. The truck starts accelerating with a given acceleration and at some moment starts pulling the car. What is their common velocity just after the car starts moving? [h2]Homework Equations[/h2] I know how to calculate the velocity of the truck just before the car starts moving. Than I use the conservation of momentum or the conservation of energy. [h2]The Attempt at a Solution[/h2] I get different results when I use momentum and when I use kinetic energy. Which one is conserved, which is not and why? [/QUOTE]
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Introductory Physics Homework Help
Common velocity after truck starts pulling a car
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