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homework5 - ME 104 Homework 5 Prof Karl Hedrick University...

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ME 104: Homework 5 Prof. Karl Hedrick: University of California, Berkeley Due Friday, Oct. 16th, 5pm
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Chapter 13, Problem 19 Two identical blocks are released from rest. Neglecting the mass of the pulleys and the effect of friction, determine ( a ) the velocity of Block B after it has moved 2 m, ( b ) the tension in the cable.
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Chapter 13, Problem 41 A section of track for a roller coaster consists of two circular arcs AB and CD joined by a straight portion BC . The radius of AB is 90 ft and the radius of CD is 240 ft. The car and its occupants, of total weight 560 lb, reach Point A with practically no velocity and then drop freely along the track. Determine the normal force exerted by the track on the car as the car reaches Point B . Ignore air resistance and rolling resistance.
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Chapter 13, Problem 44 A small block slides at a speed 8 v ft/s on a horizontal surface at a height 3 h ft above the ground. Determine ( a ) the angle at which it will leave the cylindrical surface BCD , ( b ) the distance x at which it will hit the ground. Neglect friction and air resistance.
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