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Unformatted text preview: km/h. At the instant when θ = 30°, the actual path of the skier makes an angle β = 50° with the tow rope. For this position determine the velocity of the skier and the value of . Problem-3: A freight elevator, including its load, has a mass of 500 kg. It is prevented from rotating by the track and wheels mounted along its sides. When t = 2 s, the motor M draws in the cable with a speed of 6 m/s, measured relative to the elevator. If it starts from rest, determine the constant acceleration of the elevator and the tension in the cable. Neglect the mass of the pulleys, motor and cables. Problem-4: The vehicle is designed to combine the feel of a motorcycle with the comfort and safety of an automobile. If the vehicle is traveling at a constant speed of 80 km/h along a circular curved road of radius 100 m, determine the tilt angle θ of the vehicle so that only a normal force from the seat acts on the driver. Neglect the size of the driver....
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- Spring '10