Each of the following lists two statements. Which two are the basic premises for the special theory of relativity?
A) (1) The laws of nature are the same for everyone.
(2) The speed of light is the same for everyone.
B) (1) The laws of nature are relative.
(2) The speed of light depends on your viewpoint.
C) (1) You can't go faster than the speed of light.
(2) Time is different for different people.
D) (1) Everything is relative.
(2) You can never really tell who is moving.
A) (1) The laws of nature are the same for everyone.
(2) The speed of light is the same for everyone.
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Diffusion is described by
A) Boyle's law. B) Kepler's law. C) Charles' law. D) Graham's law. E) Archimedes' law.
A long solenoid (n = 1 500 turns/m) has a cross-sectional area of 0.40 m2 and a current given by I = (4.0 + 3.0t2) A, where t is in seconds. A flat circular coil (N = 300 turns) with a cross-sectional area of 0.15 m2 is inside and coaxial with the solenoid. What is the magnitude of the emf induced in the coil at t = 2.0 s?
a. 2.7 V b. 1.0 V c. 6.8 V d. 0.68 V e. 1.4 V
Scientists recently confirmed the presence of water ice at the poles of the Moon. Where did this water come from?
A. Early lunar oceans evaporated quickly, and the water vapor condensed in deep polar craters. B. The ice is all that remains of the Moon's polar ice caps, present in the Moon's early history. C. Water was deposited on the Moon by cometary impacts, and it condensed in deep polar craters. D. The water is released as polar region crust stretches due to tidal forces from Earth. E. None of these choices are correct.
The Galactic center in ________ is best studied using radio and infrared observations
Fill in the blank(s) with correct word