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anonymous

  • one year ago

A 1,700 kg car is being used to give a 1,400 kg car a push start by exerting the force of 140 N. The impulse on the smaller car during the 30.0 s of contact is +670 kg * m/s. What is the impulse of the smaller car on the larger car? A. 0 kg * m/s B. -670 kg * m/s C. - 814 kg * m/s D. - 550 kg * m/s

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  1. Michele_Laino
    • one year ago
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    hint: both impulses have to be opposite each other

  2. anonymous
    • one year ago
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    ohh the solution is choice B?

  3. Michele_Laino
    • one year ago
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    yes!

  4. anonymous
    • one year ago
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    yay!! thank you!!

  5. Michele_Laino
    • one year ago
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    thanks!! :)

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