PS4 - 4.1 A conveyer belt moving with speed V carries boxes...

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4.1 A conveyer belt moving with speed V carries boxes to a stationary incline at Point A where they slide and fall off at Point B. The coefficient of sliding friction on the incline is μ . Determine the speed of the boxes, V B , as they leave the incline at Point B. Express your answer as a function of V , L , μ , the angle of the incline, θ , and gravitational acceleration, g . Problem 4.1 4.2 A block of mass m 2 sits on top of a block of mass m 1 . The blocks rest on a spring, which is not connected to the lower block. The spring constant is k . The upper block is suddenly removed and the lower block begins moving upward. (a) Determine the maximum speed of the lower block, V max . Express your answer as a function of m 1 , m 2 , k and gravitational acceleration, g . (b) Compute V max for m 1 g = 0 . 5 lb, m 2 g = 0 . 75 lb and k = 9 lb/ft. Problem 4.2 4.3 A piston of mass m and cross-sectional area A is initially in equilibrium at the center of a cylinder under pressure p . The cylinder is closed at both ends. The piston is moved to the left a distance
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