The Tonga Trench in the Pacific Ocean is 36,000 feet deep. Assuming that sea water has an average density of 1.04 g/cm3,
calculate the absolute (total) pressure at the bottom of the trench in atmospheres. (1.00 in = 2.54 cm, 1.00 atm = 1.01 × 105 Pa)
A) 1.1 × 103 atm
B) 1.1 × 108 atm
C) 1.1 × 105 atm
D) 1.1 × 106 atm
E) 2.1 atm
A
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In the _________technique the specimen is in a fixed position relative the x-ray beam and diffraction of continuous radiation occurs when Bragg’s law is satisfied.
Fill in the blank(s) with the appropriate word(s).
Two objects are dropped from a bridge, an interval of 1.0 s apart. During the time that both objects continue to fall, their separation
A) increases. B) decreases. C) stays constant. D) increases at first, but then stays constant. E) decreases at first, but then stays constant.
A charge of 80 nC is uniformly distributed along the x axis from x = 0 to x = 2.0 m. Determine the magnitude of the electric field at a point on the x axis with x = 8.0 m
a. 30 N/C b. 15 N/C c. 48 N/C d. 90 N/C e. 60 N/C
A terrestrial planet that has seasonal changes is
a. Venus. b. Mars. c. Mercury. d. Saturn.