What are sinuous rilles found on the lunar surface?

a. ancient lava flows
b. channels cut by flowing lava on the edge of the maria
c. large basins once filled with water
d. light-colored rock found in the lunar highlands
e. fault lines found within the crust

b

Physics & Space Science

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A wheel rotating about a fixed axis with a constant angular acceleration of 2.0 rad/s2 starts from rest at t = 0. The wheel has a diameter of 20 cm. What is the magnitude of the total linear acceleration of a point on the outer edge of the wheel at t = 0.60 s?

A. 0.25 m/s2 B. 0.50 m/s2 C. 0.14 m/s2 D. 0.34 m/s2 E. 0.20 m/s2

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How did Planck modify the classical theory of blackbody radiation to correctly determine his radiation law?

A.He found that the blackbody model was incorrect for purposes of theory B.He accepted the Stefan-Boltzmann law C. He assumed light was absorbed and emitted in quanta D.He realized that the charge of the electron was not quantized E.He proved the necessity of relativistic considerations

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An uncharged conductor is supported by an insulating stand. I pass a positively charged rod near the left end of the conductor, but do not touch it. The right end of the conductor will be:

a. neutral. c. attracted. b. positive. d. negative.

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Photoelectric Effect: If the longest wavelength of light that is able to dislodge electrons from a metal is 373 nm, what is the work function of that metal, in electron-volts? (1 eV = 1.60 × 10-19 J, c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s)

Fill in the blank(s) with the appropriate word(s).

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Physics & Space Science