An object with a cross section A is shot horizontally across frictionless ice. Its initial velocity is Vo at to = 0. A drag force D (pointing West) is opposite in direction to the object's velocity. Assume the magnitude of D is equal to 0.25AU², A = 2.24 m², Vo = 20 m/s, m = 1500 kg. What is its velocity when t = 402 s? %3D See Fig. 2 19 m/s 16 m/s 12 m/s 5.0 m/s 10 m/s

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: