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In a performance test, each of two cars takes 9.4 s to accelerate from rest to 24 m/s. Car A has a mass of 1358 kg, and car B has a mass of 2014 kg. Find the net average force that acts on (a) car A and (b) car B during the test.

  • Physics - ,

    (Average force)*time = (Momentum change) = (Mass)*(Velocity)

    For car A, Fav = 1358*24/9.4 = __ N

    Use the same formula for car B, but with the different mass.

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