# Answer to Question #35261 in Mechanics | Relativity for kathleen

Question #35261

a car at rest is acted upon by a constant force acquiring a velocity of 22 m/s after 4 s . determine the magnitude of constant force if the car weights 10,800 N

Expert's answer

the acceleration is

a=v/t = 22 m/s / 4s = 5.4 m/s^2

The magnitude of constant force is

F = a*m = 5.4*1080 kg = 5832 N.

a=v/t = 22 m/s / 4s = 5.4 m/s^2

The magnitude of constant force is

F = a*m = 5.4*1080 kg = 5832 N.

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