Fair weather can usually be expected with the approach of a
A) low pressure system.
B) high pressure system.
Answer: B
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The condition of ____________________ means that the force due to gravity pushing down on a layer is exactly equal to the pressure pushing outward on that layer
Fill in the blank(s) with correct word
The principle stating that the work output of a heat engine must be less than its total energy input is called
A) the second law of thermodynamics. B) the kinetic principle. C) the first law of thermodynamics. D) the law of conservation of energy. E) Nonsense--there is no such physical law.
A projectile is thrown upward at 24° with the vertical and returns to the horizontal ground 12.5 s later. Assume no air effects
(a) How fast was it thrown? (b) How far from its original position did it land? (c) How high above its original position did it go?
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 shell?
a. 2q c. q b. 0 d. -q