An emf is induced in a wire by moving the wire near a magnet
Indicate whether the statement is true or false
TRUE
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You are interviewing a researcher. She states that she does not publish her data from experiments because she does not trust other scientists. How would you respond? (Hint: think about one of the main steps of the scientific method)
What will be an ideal response?
The graph shows how a star's orbital speed varies with time because of the gravitational tug of an orbiting planet. Based on these data, the planet's orbital period is about
A) 2 days. B) 4 days. C) 6 days. D) 50 days.
Which of these waves will diffract the most when passing through a 20 cm wide opening in a barrier?
a. a wave with a wavelength of 25 cm b. a wave with a wavelength of 2 cm c. a wave with a wavelength of 0.05 cm d. none of these waves will diffract at all
A charge of uniform volume density (40 nC/m3) fills a cube with 8.0-cm edges. What is the total electric flux through the surface of this cube?
a. 2.9 N / m2/C b. 2.0 N / m2/C c. 2.6 N / m2/C d. 2.3 N / m2/C e. 1.8 N / m2/C