Which is a unique feature of Pluto's satellite, Charon, standing out from most other satellites?
a. has an atmosphere
b. tidally locked to Pluto
c. mostly composed of rock
d. its surface is composed of methane ice
e. orbits in the plane of Pluto's equator
e
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Reflected light from the Moon in a lake often appears as a vertical column when the water is
A) perfectly still. B) slightly rough. C) very rough as with churning waves.
The pilot of an aircraft flies due north relative to the ground in a wind blowing 40 km/h toward the east. If his speed relative to the ground is 80 km/h, what is the speed of his airplane relative to the air?
A. 89 km/h B. 85 km/h C. 81 km/h D. 76 km/h E. 72 km/h
A thin beam of laser light of wavelength 514 nm passes through a diffraction grating having 3952 lines/cm. The resulting pattern is viewed on a distant curved screen that can show all bright fringes up to and including ±90.0° from the central spot
If the experiment were performed with all of the apparatus under water (which has an index of refraction of 1.33), what would be the TOTAL number of bright spots that would show up on the screen? A) 6 B) 7 C) 12 D) 13 E) 14
A thin uncharged conducting spherical shell has a charge q carefully placed at its center through a small hole in the shell. The charge q does not touch the shell. What is the charge on the outer surface of the shell?
a. q b. ?q c. 2q d. 0