The first scientist to be credited for postulating that Earth circled the Sun was
A) Aristotle.
B) Copernicus.
C) Galileo.
D) Newton.
Answer: B
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What will be an ideal response?
Which of the following correctly describes the meridian in your sky?
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How much current will be flowing through a 40.0 m length of cylindrical metal wire with radius 0.0 mm if it is connected to a source supplying 16.0 V?
The resistivity of this metal is 1.68 × 10-8 ? ? m. A) 68 nA B) 9.5 × 108 A C) 710 A D) 1200 A
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Indicate whether the statement is true or false