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A therapist pushes a wheelchair in which his patient sits over a level ground. The cart travels in an
acceleration of 1.5 m/s2. He applies a 210-N force to the cart horizontally. The mass of the cart is
12 kg and the patient's body mass is 58 kg, What is the kinetic coefficient of friction between the
cart wheels and the ground? (Free body diagram helps!)
a

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