Test # 1 - Al Akhawayn University
Test # 1 - Al Akhawayn University
Test # 1 - Al Akhawayn University
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School of science and Engineering<strong>Test</strong> # 1Phy1401-01, Spring 2003<strong>Al</strong> <strong>Akhawayn</strong> <strong>University</strong>Instructor: Dr. H. Darhmaoui Date: February 28, 20031) A particle starts from rest and accelerates as shown in Figure 1. Determine(a) The particle’s speed at t = 10 s and at t = 20 s(b) The total distance traveled during the first 20 sFigure 12) A projectile is fired from the ground in such a way that its horizontal range is equal to three times itsmaximum height. What is the angle of projection?3) The three blocks in Figure 2 are connected by massless strings that pass over frictionless pulleys.The acceleration of the system is 2.35 m/s 2 to the left and the surfaces are rough. Find:(c) The tensions in the strings(d) The coefficient of kinetic friction between blocks and surfaces (Assume the same µ k for bothblocks.)Figure 2
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