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    Calculate the mass of a car in acceleration

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    To determine the mass of a car, a student (with a friend at the wheel) pushes the car holding a bathroom scale between himself and the car and carefully maintains a constant reading of 400 N on the scale while the car accelerates on level ground. At the conclusion of the experiment his friend reports that the car accelerated from rest to 14.0 km/hr in 12.0 s.

    What was the mass of the car?
    343 kg
    1230 kg
    3360 kg
    3430 kg

    © BrainMass Inc. brainmass.com December 15, 2022, 5:52 pm ad1c9bdddf

    Solution Preview

    First we must find the acceleration of the car:

    v = v0 +at

    Where v is teh final speed, v0 is teh initial speed (in this case v0=0), a is the acceleration and t is the ...

    Solution Summary

    With full calculations and explanations, the problem is solved. The mass of a car in acceleration are determined.