Mercury's period of rotation is exactly _______________ of its orbital period
Fill in the blank(s) with correct word
two thirds
two-thirds
2/3rd
2/3
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A string on a guitar is stretched between two points 35.0 cm apart with a tension of 65.0 N. The mass/length of the string is 0.00400 kg/m. The frequency of the mode of vibration with the lowest frequency is
A. 315 Hz. B. 276 Hz. C. 250 Hz. D. 205 Hz. E. 182 Hz.
Triesters of long-chain acids with glycerol are called
a. condensation polymers. b. fats. c. soaps. d. synthetic detergents.
All of the Asteroids in the Asteroid Belt together have
A. a tiny fraction of Earth's mass. B. a mass somewhere between the mass of Mars and the mass of Jupiter. C. about Earth's mass. D. about ten times Earth's mass.
The circuit below contains three 100-W light bulbs and a capacitor. The emf ? = 110V. At the instant the switch S is closed, which light bulb is brightest?
a.
A
b.
B
c.
C
d.
A and B
e.
All three are equally bright.