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force=m*a
4000-300=3m/s2*m
m=1233.33kg
4000-300=3m/s2*m
m=1233.33kg
F = m * a
In this case, the driving force of the engine is 4000 N, and the car is accelerating at 3 m/s^2. So we can write,
4000 N = m * 3 m/s^2
Now, rearranging the equation to solve for mass (m),
m = 4000 N / 3 m/s^2
m ≈ 1333.33 kg
Therefore, the mass of the car (m) is approximately 1333.33 kg.