# hw3 - x D = 0 x B = 5 m so that points C and D are at the...

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ME 244 Assignment 3 Spring 2010 Department of Mechanical Engineering, Yeditepe University Due date: 26 February 2010, Friday - 5 PM Policy: The assignments should be done by each student individually, not as group work. The due date and time is Friday 5 PM, one week after the assignment is given. No late submissions are accepted. The assignments should be submitted to the Teaching Assistant of the course, Batuhan Baturalp (Room A702). 1. The cable is attached to the block B at E, wraps around three pulleys, and is tied to the back of a truck. If the truck starts from rest when x D is zero, and moves forward with a constant acceleration of a D = 2 m/s 2 , determine the speed of block B at the instant x D = 3 m. Neglect the size of the pulleys in the calculation. When

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Unformatted text preview: x D = 0, x B = 5 m so that points C and D are at the same elevation. 2. If the hoist H is moving upwards at 6 m/s, determine the speed at which the motor M must draw in the supporting cable. 3. The driver of car B observes the motion of the car at A. At the instant shown, car A has a speed of 18 m/s and is reducing its at the rate of 1.5 m/s 2 . Car B accelerating at 2 m/s 2 and has a speed of 25 m/s. Determine the magnitudes of the velocity and acceleration of A with respect to B. Car B is moving along a curve having a radius of r = 300 m. 1 Figure 1: Question 1 2 Figure 2: Question 2 3 Figure 3: Question 3 4...
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hw3 - x D = 0 x B = 5 m so that points C and D are at the...

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