A solid cylindrical bar conducts heat at a rate of 25 W from a hot to a cold reservoir under steady state conditions
If both the length and the diameter of this bar are doubled, the rate at which it will conduct heat between these reservoirs will be A) 200 W
B) 100 W
C) 50 W
D) 25 W
E) 12.5 W
C
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The larger variation in brightness in an eclipsing system consisting of a white dwarf and an M3 main-sequence star occurs when the white dwarf passes behind the M3 star
a. True b. False Indicate whether the statement is true or false
Which statement about seismic waves is FALSE?
A) Both S and P waves can be detected by seismographs. B) Close to the epicenter, both S and P waves can be recorded. C) P waves travel faster, so the gap between their arrival times gives the source's distance. D) Only P waves can be detected in the shadow zone. E) S waves are blocked by the fluid outer core and cannot be observed on the other side of the planet from the epicenter.
The frequency and the wavelength of a wave are ______________ proportional
Fill in the blank(s) with correct word
The lungs occupy a small volume but have a very large surface area
What will be an ideal response?