7. (10pts) A Rolls Royce Phantom weighing 2.49X10^4 Newtons is travelling on along a road with a coefficient of friction of 0.99. The car makes a fast stop and deccelerates with a force of -1.83X10^4 Newtons. Determine the cars mass and acceleration.
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Given weight of the car, W = 2.49 x 10^6 N Acceleration due to gravity, g = 9.8 m/s^2 Therefore, mass = 2.49 x 10^6 N / 9.8 m/s^2 = 253877.55 kg Show more…
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