A.A
B.B
C.C
D.D
E. Toward the viewer
F. Away from the viewer
T. The field is zero.
T. The field is zero.
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The flight of a blimp best illustrates
A) Archimedes' principle. B) Pascal's principle. C) Bernoulli's principle. D) Boyle's law.
A long straight wire (diameter = 2.0 mm) carries a current of 30 A. What is the magnitude of the magnetic field 2.5 mm from the axis of the wire?
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Design a composite material made of epoxy and uniaxial E-glass fibers that has an axial elastic modulus of 50 GPa. The epoxy resin has an elastic modulus of 5 GPa, and the E-glass fibers have an elastic modulus of 72.4 GPa.
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A refrigerator uses 40.0 J of work to extract 90.0 J from a heat reservoir at 
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