A 1,850 kg fast car can accelerate from 0 to 25 m/s in 3 seconds. what is the average force acting on the car over this time interval?

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Answer:

To find the average force (F) acting on the car, we can use Newton's second law: F = m * a, where m is the mass of the car and a is its acceleration. The acceleration (a) is determined by the change in velocity (Δv) divided by the change in time (Δt). Given that the car accelerates from 0 m/s to 25 m/s in 3 seconds, we calculate a as a = (25 m/s - 0 m/s) / 3 s. Substituting the known values, we get F = (1,850 kg) * (25 m/s) / (3 s) ≈ 15,416.67 N. Therefore, the average force acting on the car over this time interval is approximately 15,416.67 N.