A 12-L volume of oil is subjected to pressure which produces a volume strain of -3.0 × 10-4. The bulk modulus of the oil is 6.0 × 109 Pa and is independent of the pressure. The reduction in the volume of the oil in milliliters is closest to
A) 2.0 mL. B) 3.6 mL. C) 2.8 mL. D) 2.4 mL. E) 3.2 mL.
B
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What observation made of other stars seems to suggest the solar nebula theory is correct?
a. Stars are found to exist more often in binaries than by themselves. b. Protostars are seen to radiate much of their light at infrared wavelengths. c. Nearby stars tend to be low-mass red dwarfs. d. Young stars are found to have hot disks that surround them.
Determine the heat transfer coefficient for liquid bismuth flowing through an annulus (5-cm-ID, 6.1-cm-OD) at a velocity of 4.5 m/s. The wall temperature of the inner surface is 427°C and the bismuth is at 316°C. It may be assumed that heat losses from the outer surface are negligible.
GIVEN
FIND
The heat transfer coefficient
ASSUMPTIONS
Steady state
Heat losses from outer surfaces are negligible
SKETCH
PROPERTIES AND CONSTANTS
for bismuth at the bulk temperature of 316°C
If the interplanar spacing of NaCl is 2.814 × 10^-10 m, what is the predicted angle at which X-rays of wavelength 0.140 nm will be diffracted in a first-order maximum?
a. 31.3° b. 7.20° c. 20.5° d. 14.4° e. 29.8°
Waves on a String: A string of length L is under tension, and the speed of a wave in the string is v. What will be the speed of a wave in the string if the length is increased to 2L but with no change in the mass or tension?
A. v/2
B. v/
C. v
D. 2v
E. 4v