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A person pulls a 66.9N bag a distance of 343m at a constant velocity. She exerts a force of 32.5 N at an angle of 67.3*. a)Find the work she does on the bag? B) Find the work done by the force of friction on the bag? C) Find the coefficient of kineti
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A bridge 21m long has a mass 66700 kg and is supported at each end. A truck of mass 35000 kg is located 11 m from the left end. Acceleration of gravity is 9.8 m/s2. (a) What is the force on the bridge at the point of support?
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TEST 1: A cube of height 1mm has a volume of?
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A soldier at a defending enterance to a bay discovered a pirate ship 500 m away. He fired a canon with an initial velocity of 100 m/s with a 30 degree. He missed the first ti