Maxwell's counterpart to Faraday's law simply states that
A) each change in one field induces the other.
B) electric and magnetic fields are one and the same.
C) induced fields are parallel to each other.
D) all of the above
Answer: A
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Masses of the planets are easiest to determine if
A) they are terrestrial and the extra size of the planet's disk can be measured. B) they are jovian and their oblateness can be found. C) they have natural satellites whose motions can be precisely measured. D) they are dense and easily deflect the path of passing spacecraft. E) they move rapidly and their periods are easily measured.
Energy utilization in living organisms is
A) one of the most basic requirements of life, without which organisms could not maintain order, grow, and reproduce B) only important for organisms like plants which receive their energy directly from the Sun C) neither a necessary nor a sufficient condition for life D) not important for organisms that have adapted to survive extremely low temperatures (psychrophiles)
What is the energy of a 633 nm photon?
A) 0.32 eV B) 3.14 eV C) 5.1 eV D) 1.96 eV E) 0.51 eV
A mass is oscillating on a spring with a period of 4.60 s. At t = 0 s the mass has zero speed and is at x = 8.30 cm. What is the value of t the first time after t = 0 s that the mass is at x = 4.15 cm?
A) 0.575 s B) 0.767 s C) 1.15 s D) 1.30 s E) 1.53 s