The principle of equivalence is primarily concerned with which of the following:
a. this is the primary result.
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A standing wave is set up on a string so that it has 5 nodes. If you start at the central node and move exactly one wavelength in either direction, you will wind up at
A. neither a node nor an antinode but still on the string. B. an antinode. C. a node. D. somewhere off the string.
The three laws of planetary motion by ________ allowed us to predict planetary motion
Fill in the blank(s) with correct word
Which of the following correctly describes the relationship between Newton's theory of gravity and general relativity?
A) Newton's theory of gravity is now known to be false, and we were previously misled to think it was true by measurement errors. B) Newton's theory of gravity and general relativity give the same answers, but the former tells us to think of gravity as a force and the latter tells us to think of gravity as curvature of spacetime. C) Newton's theory of gravity is an approximation to general relativity that works when gravity is relatively weak, but breaks down when gravity is strong. D) General relativity applies at the sub-atomic level, but Newton's theory of gravity does not.
If the total translational kinetic energy of the molecules of oxygen in a container is 15 J at room temperature, what is the total rotational kinetic energy of these molecules?
a. 5 J b. 10 J c. 20 J d. 25 J e. 0 J