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Prof Charlton KEY to correction MIDTERM EXAM Dynamics

Prof Charlton KEY to correction MIDTERM EXAM Dynamics

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Prof Charlton KEY to correction MIDTERM EXAM Dynamics

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  1. MIDTERM EXAM PUP DYNAMICS Problem No 2 1. What is the value of V2? a.9.60 m/s b.6.90 m/s c.69 m/s d.96 m/s 2. a.99 m/s, 4.5 degrees b.9.9 m/s, 45 degrees c..99 m/s, 54 degrees d.8.9 m/s, 450 degrees 3. V=16 m/s

  2. a.22.2 m, 16 m/s, 8.99 m/s2 b.2.3, 2.598, 89.9 c.222, 2598, 899 d.0.222, 0.2598,0.899 e. Problem No 4 4.Assume the pulleys in figure below to be frictionless and of Negligible weight. Find the velocity of body B after it has moved 10 ft from rest. Then use the result to determine the acceleration of Body B. Answer: Vb=5.3 fps Ab=1.4 fps2 a.53 fps, 14 fps2 b.10.6 fps, 28 fps2 c.5.3 fps, 1.4 fps2 d.0.55 fps, 1.8 fps2 V=16 m/s

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  4. Problem No 6 7.43 turns 8 turns 47 pounds

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