The glass in a window is 35 inches wide and 20 inches tall, and standard atmospheric pressure is 14.7 pounds per square inch. What net force would result on the glass if the air pressure outside the house were 1% lower than the air pressure inside?
A. 10300 pounds outward
B. 103 pounds inward
C. There would be no net force
D. 103 pounds outward
E. 10300 pounds inward
Answer: D
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Velocity Addition: In an "atom smasher," two particles collide head on at relativistic speeds. If the velocity of the first particle is 0.741c to the left, and the velocity of the second particle is 0.543c to the right (both as measured in the lab rest frame), how fast are the particles moving with respect to each other?
A. 0.916c B. 1.284c C. 0.934c D. 0.834c
The main difference between conductors and insulators is in terms of
A) protons. B) neutrons. C) valence or conduction electrons. D) atoms. E) None of the other choices is correct.
The resistivity of the material of a wire is inversely proportional to the resistance of the wire
Indicate whether the statement is true or false
An empty spice bottle has an inner volume of 1.31 × 10^?4 m3 . It has a mass of 112 g when filled with air, and it displaces 1.63 × 10^?4 m3 of water when fully submerged. What fraction of the total volume of the bottle will be beneath the surface when it is placed in a tank of water?
a. 0.69 b. 0.81 c. 0.85 d. 1.00 e. 1.46