As air flows up the side of a mountain, the air pressure
A) increases.
B) decreases.
C) gets warmer.
D) gets colder.
Answer: B
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Significant Figures: The length and width of a rectangle are 1.125 m and 0.606 m, respectively. You calculate the rectangle's perimeter by adding these numbers and multiplying by two. Your calculator's display reads 3.462. To the correct number of significant figures, the perimeter should be written as
A. 3.5 m. B. 3.46 m. C. 3.462 m. D. 3.4620 m.
A mass src="https://sciemce.com/media/4/d7a1e25d698e02ae34.png" class="w-image" />?
is connected by a light string that passes over a pulley of mass M to a mass 
sliding on a frictionless incline as shown in the figure. There is no slippage between the string and the pulley. The pulley has a radius of 25.0 cm and a moment of inertia of 1?2 
If 
2.00 kg, 
is 1.00 kg, M is 4.00 kg, and the angle is 60.0 degrees, then what is the acceleration of
A. 3.98 
down
B. 3.27
down
C. 3.15
down
D. 2.94
down
E. 1.64
down
Which of the following requires all U.S. government agencies' websites use accessibility technology and follow accessibility guidelines.
A. W3C B. WAI C. Section 508 of the U.S. Rehabilitation Act D. The first amendment to the U.S. Constitution.
An inverted empty jar is pushed downward into water so that trapped air inside can't escape. As it is pushed deeper, the buoyant force on the jar
A) increases. B) decreases. C) remains the same.