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from zybook chapters 2 and 3 do the following challenge activities21 variables and assignments211 assigning a sum212
the object shown is made of uniform plastic and weighs 234 lb determine the mass moment of inertia of the object about
a bracket is constructed of a thin semicircular plate of uniform thickness having 005 lbin2 specific weight and a thick
a plastic bar acb having two different solid circular cross sections is held between rigid supports as shown in the
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1 the angular acceleration of a body is given bya 3t2 3 if the initial angular velocity is 3 rads and the initial
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1 define a use case and a use case diagram and prepare a sample of each2 define the term black box and explain why it
1 define encapsulation and explain how it is used in object-oriented analysis2 define polymorphism and provide three
1 what is object-oriented analysis and what are some advantages of this method2 define an object and provide three
1 perform a web search for the exact phrase object-oriented systems analysis how many hits did you get provide three
1 write a brief history of the uml and prepare a presentation on the subject2 contact the it staff at your school or at
backgroundin the previous chapter you created a data and process model for a new business venture you plan to operate a
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angles in a spherical triangle find the sum of the angles in the spherical triangle shown in fig 15 assuming a is at
position vectors using the x axis as east the y axis as north and the z axis as up give the vector representing the
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a band brake is used to control the speed of a flywheel as shown the coefficients of friction micros030 and microk025