Three stars, Deneb in Cygnus, Altair in Aquila, and Vega in Lyra, are among the brightest in the summer sky. What are they sometimes called?
A) the Zenity Triad
B) the Meridian Triad
C) the Summer Triangle
D) the Luminous Constellations
E) the Zodiac Triad
Ans: C) the Summer Triangle
You might also like to view...
If the acceleration vector of an object is directed anti-parallel to the velocity vector, then
A) the object is speeding up. B) the object is slowing down. C) the object is turning. D) the object is at rest. E) this situation would not be physically possible.
The following reaction is used to make the polymer described below. What is the other starting material?
A) HOCH2CH2OH B) H2O C) HOCH2CH3 D) H2CI=CH2 E) HOCH2CH2CH2CH2OH
Phil leans over the edge of a cliff and throws a rock upward at 5 m/s. Neglecting air resistance, one second later the rock's speed is
A) zero. B) 5 m/s. C) 10 m/s. D) 15 m/s. E) none of the above
The mass of a sulfur atom is 32.0 u, and the mass of a fluorine atom is 19.0 u. What is the mass of a mole of sulfur hexafluoride (SF6)?
A. 41.0 g B. 20.5 g C. 106 g D. 146 g E. 211 g