The gauge pressure of the water in a swimming pool at 10 ft is ____________ the gauge pressure of the water at 5 ft
a. 1/4
b. 1/2
c. equal to
d. 2 times
e. 4 times
d
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______ navigation provides an overview of the website, and generally remains consistent from page to page.
A. Primary B. Subsidiary C. Contextual D. Adaptive
Two spaceships are traveling through space at 0.6c relative to the Earth. If the ships are headed directly toward each other, what is their approach velocity, as measured by a person on either craft?
A) 1.2c B) c C) 0.6c D) 0 E) none of the above
A very light ideal spring stretches by 21.0cm when it is used to hang a 135-N object. What is the weight of a piece of electronic equipment that would stretch the spring by 44.9cm if you hung the equipment using the spring?
A) 405 N B) 289 N C) 176 N D) 63 N
In the ground state, the quantum numbers (n, ?, m?, ms) for hydrogen are, respectively,
A) 1, 1, 1, 1. B) 1, 0, 0, 0. C) 1, 0, 0, ±1/2. D) 1, 1, 1, ±1/2. E) 1, 1, 0, ±1/2.