Consider the circuit below. Switch S is closed at t = 0
4
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A simple-cubic crystal with a lattice parameter of 0.2 nm has a low-angle tilt boundary of 5°. Calculate the spacing (D) between edge dislocations in the tilt boundary.
What will be an ideal response?
A future news release might report that a new planet has been found around a star very similar to our Sun. The system contains other planets as well like our solar system. This newly discovered planet is claimed to have a mass 40 times that of Earth and is located nearly 25 AU from the star it orbits. Which of the following would be a reasonable prediction about this planet, assuming it formed
like our solar system? I. The planet will probably have a mean density of around 5 g/cm3. II. The planet will probably have a radius of around five to ten times greater than Earth's. III. The planet will probably have several satellites. IV. The planet will probably have a composition that is mostly hydrogen and helium. a. I & IV b. I, II, & III c. II, III, & IV d. I, II, & IV e. I, II, III, & IV
The names of the seven days of the week are based on
A) the names of the seven planets closest to the Sun. B) the seven most prominent constellations in the summer sky. C) the names of prophets in the Bible. D) the seven naked-eye objects that appear to move among the constellations.
For the following allowed transitions, which photon would have the largest wavelength when an electron "jumps" from one energy level, characterized by the quantum number n, to another?
a. n = 2 to n = 1 b. n = 3 to n = 2 c. n = 3 to n = 1 d. n = 1 to n = 3 e. n = 4 to n = 1