Which Trans-Neptunian Object is largest in diameter?

A. Orcus
B. Eris
C. Makemake
D. Sedna
E. Pluto


Answer: B

Physics & Space Science

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Nickel and silver have lattice parameters of 0.352 nm and 0.408 nm, respectively; an electronegativity of 1.8 for each, an FCC structure, and a similar valence. Should they be able to form a continuous-solid solution? _____________

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

Physics & Space Science

An object completely submerged in water must either rise or fall

Indicate whether the statement is true or false

Physics & Space Science

A 5.00 kg mass is located at (2.00 m, 0.00 m, 3.00 m) and a 2.00 kg mass is located at (0.00 m, 4.00 m, –2.00 m). The center of gravity of the system of masses is

A. (10/7m, 8/7m, 11/7m). B. (11/7m, 7/7m, 8/7m). C. (7/7m, 10/7m, 11/7m). D. (10/7m, 7/7m, 8/7m). E. (8/7m, 7/7m, 10/7m).

Physics & Space Science

A cyclist races around a circular track at the constant speed of 20 m/s. The radius of the track is 40 m. The centripetal acceleration of the cyclist is

A. 10 m/s2, downward. B. 10 m/s2, toward the center of the track. C. zero. D. 20 m/s2, in the direction of travel.

Physics & Space Science