In the gas laws, the ______________ temperature scale must be used
Fill in the blank(s) with correct word
Kelvin (or absolute)
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A binary star system in the constellation Orion has an angular separation between the stars of 4×10?5 radians. Assuming a wavelength of 500 nm, what is the smallest aperture (diameter) telescope that will just resolve the two stars? (1 nm = 10?9 m)
a. 1.2 cm b. 1.5 mm c. 1.5 cm d. 4.8 cm e. 20 mm
One member of a pair of parallel conducting plates has potential 17 V. An electron is ejected from that plate at potential and travels the other plate, attaining a velocity of when it arrives. What is the potential of the second plate? The mass of the electron is
kg.
A. 157 V B. 89 V C. 72 V D. -54 V E. 142 V
The metric prefix for one one-thousandth is
A) milli. B) centi. C) kilo. D) mega. E) giga.
A particle is acted upon by only two forces, one conservative and one nonconservative and neither being a force of friction, as it moves from point A to point B. The kinetic energies of the particle at points A and B are equal if
a. the sum of the works of the two forces is zero. b. the work of the conservative force is equal to the work of the nonconservative force. c. the work of the conservative force is zero. d. the work of the nonconservative force is zero. e. None of the above.