A 2.0 meter long Aluminum wire (R = 0.44 m, = 2.82 10-8 -m, = 4.29 10-3 C-1 ) is connected in series to an 8.0 meter long Tungsten wire (R = 0.20 m, = 5.6 10-8 -m, = 4.5 10-3 C-1).
What is the resistance of the combination if the wire is heated to 150.C? Assume the initial temperature for both wires is room temperature (20C). A) 0.78 m
B) 0.88 m
C) 0.69 m
D) 1.00 m
E) 0.64 m
Question 2
Which of the following geological processes has shaped the surface of the Earth?
A) plate tectonics
B) volcanism
C) erosion
D) all of these
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The height of your the rope after 1 minute to the nearest tenth of a meter is?
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