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While using a pencil sharpener, a student applies the forces and couple shown.
(a) Determine the forces exerted at B and C knowing that these forces and the couple are equivalent to a force-couple system at A consisting of the force R = (3.9 lb)i + Ry j -(1.1 lb)k and the couple MR/A = Mxi + (1.5 lb ft)j - (1.1 lb ft).k
(b) Find the corresponding values of Ry and Mx.
Two 4.0 cm × 4.0 cm electrodes spaced 2.0 mm apart form aparallel-plate capacitor. What is the charge on each electrode
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The distance between the plates of a parallel plate capacitor with air between the plates is 9 mm. what is the new energy stored in the capacitor
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