A firefighter who weighs 150 lb slides down an infinitely long fire pole that exerts a frictional resistive force with magnitude proportional to her speed, with k-2.1 lb-s/ft. Assuming that she starts from rest, find her velocity as a function of time and find her terminal velocity. Don't forget to use the gravitational constant that comes from pounds. v(t) = Terminal Velocity =

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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: