Show that the total condensation rate per unit width down a vertical surface as given by Equation 10-41 can also be written as, Equation 10-42.
What will be an ideal response?
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The magnitude of the magnetic force on a charge depends on
A. the velocity component perpendicular to the magnetic field. B. the magnitude of the charge. C. the magnitude of the magnetic field. D. the sign of the charge. E. Three of the items are correct.
If observations had shown that the cosmic microwave background was perfectly smooth (rather than having slight variations in temperature), then we would have no way to account for
A) the relationship between the strong and the weak force. B) the fact that our universe is expanding. C) how galaxies came to exist. D) the existence of helium in the universe.
The pilot of an aircraft flies due north relative to the ground in a wind blowing 40 km/h toward the east. If his speed relative to the ground is 80 km/h, what is the speed of his airplane relative to the air?
A. 89 km/h B. 85 km/h C. 81 km/h D. 76 km/h E. 72 km/h
If the voltage at a point in space is zero, then the electric field must be
A) negative. B) zero. C) uniform. D) positive. E) impossible to determine based on the information given.