The metal detectors that travelers walk through at airports operate via
A) Ohm's law.
B) Faraday's law.
C) Coulomb's law.
D) Newton's laws.
Answer: B
Physics & Space Science
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A fan blade, whose diameter is 1.0 m, is turning with an angular velocity of 2.0 rad/s. What is the tangential velocity of a point on the tip of the blade?
A) 2.0 m/s B) 5.0 cm/s C) 1.0 m/s D) 0.50 m/s E) 1.5 m/s
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Which of the following is an essential agent of the Bergeron process?
a. Wind b. Carbon dioxide c. Mixing d. Rain
Physics & Space Science
A car's speed 3 seconds after accelerating from rest at 2 m/s2 is
A) 2 m/s. B) 3 m/s. C) 4 m/s. D) 6 m/s.
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Which type of rock solidifies from molten magma?
a) igneous rock b) sedimentary rock c) metamorphic rock d) cross-bedded rock
Physics & Space Science