Matter belonging to the Galaxy can be traced out to ________ from the center
A) 5 kpc
B) 8 kpc
C) 15 kpc
D) 50 kpc
E) 200 kpc
D
Physics & Space Science
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An L-shaped beam is loaded as shown in the figure. The bending moment at the midpoint of span AB is approximately:
(A) 6.8 kN?m
(B) 10.1 kN?m
(C) 12.3 kN?m
(D) 15.5 kN?m
Physics & Space Science
The size of Olympus Mons suggests that the crust of Mars is very thick
Indicate whether the statement is true or false
Physics & Space Science
________ images of galactic clusters reveal large amounts of hot, intracluster gas
A) X-ray B) Ultraviolet C) Radio D) Infrared E) Gamma ray
Physics & Space Science
The tungsten filament of a light bulb has an operating temperature of about 2100 K. If the emitting area of the filament is 0.80 cm2, and its emissivity is 0.68, what is the power output of the light bulb? (s = 5.67 × 10^-8 W/m2 • K4)
a. 100 W c. 60 W b. 75 W d. 40 W
Physics & Space Science