The variation in the pressure of helium gas, measured from its equilibrium value, is given by ?P = 2.9 × 10^?5 cos (6.20x ? 3 000t) where x and t have units m and s. Determine the speed (in m/s) of the wave
a. 1 515
b. 153
c. 484
d. 828
e. 101
c
You might also like to view...
How does fractional distillation work?
A) It takes advantage of the different boiling points of molecules to separate them. B) It takes advantage of the different weight of molecules to separate them. C) It uses the fraction of carbon in the isomers to separate the molecules. D) It takes advantage of the different melting points to separate molecules. E) none of the above
The combining of two nuclei to form a larger nucleus with the release of energy is __________
Fill in the blank(s) with correct word
The process of _______________ depends partly on the presence of short-lived radioactive elements whose rapid decay would have released enough heat to melt the interior of planets
Fill in the blank(s) with correct word
All the following statements are true. Which one explains why convection can occur in the troposphere but not in the stratosphere?
A) Atmospheric pressure is much greater in the troposphere than in the stratosphere. B) The stratosphere contains significant amounts of ozone but the troposphere does not. C) Temperature declines with altitude in the troposphere but increases with altitude in the stratosphere. D) Clouds tend to form in the troposphere but not the stratosphere.