Physics, 31.05.2020 00:58 demetriascott20
Suppose a ball of mass 0.2kg strikes a free-floating uniform rod (of mass 0.4kg and length 1.2m) a distance of 0.3m from its center of mass at a right angle with initial speed 14 m/s. The ball ricochets off the rod, with final velocity pointing in the opposite direction of its initial velocity, and the rod begins to move and rotate. What is the final speed of the ball, the final speed of the center of mass of the rod, and the final angular velocity of the rod?
Answers: 1
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Air is to be preheated by hot exhaust gases in a cross-flow heat exchanger before it enters the furnace. air enters the heat exchanger at 95 kpa and 20°c at a rate of 0.6 m^3/s. the combustion gases (cp = 1.10 kj/kg°c) enter at 160°c at a rate of 0.95 kg/s and leave at 95°c. determine the rate of heat transfer to the air and its outlet temperature.
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Suppose a ball of mass 0.2kg strikes a free-floating uniform rod (of mass 0.4kg and length 1.2m) a d...
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