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Question: 1724 libraryulsteracuk l vodafone uk 4g 0 10 ...

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17:24 library.ulster.ac.uk l vodafone UK 4G 此 0, 10 На 0.08 Figure Q5 (aher Meriam&Kraige) The mass ofthe goved drum in Figure “ is 121g, its oertrodal ráls of gyration isk#210 mm, and the radius of itsgroove sn+200 mm. The hicional moment at O is a constant 3 Nm Q6、 (a) Iif the velocity of the 8 kg cylinder is 0.3 mis at a certain instant, what is its speed (b) Calculate the angular velocity of the drum if the 8 kg cylinder is dropping with (c) After dropping 1.5 m, the 8kg cylinder then detaches from the drum. The drum v after dropping an additional 1.5 mi? [10 marks] speed v found in part (a) 2 marks) is allowed to decelerate due to the constant frictional moment. Calculate the time nterval from when the cylinder detaches to when the drum stops rotating and the number of revolutions during this period 8 marks] m12 kg 210 mm η.200㎜ -300 mm s kg Figure Q6 (after Meriam & Kraige) Page 5 of 6 Useful Equations and Relationships Static Friction where F is the frictional force, p is the coefficient of static friction and N is the reaction force normal to the point of contact Kinetic Friction where F is the frictional force.s the coefficent of kinetic friction and N is the reaction force normal to the point of contact Energy Knetic energy. T
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