On cold days your bedroom window may get wet on the inside. This is because
1) the air near the glass becomes saturated.
2) a change in phase from gas to liquid occurs.
3) H2O molecules release energy when they liquify on the glass.
4) fast-moving H2O molecules slow down and condense when they encounter the cold glass.
If the air in the room were colder than the air outside, then quite likely
5) the glass would be even wetter.
6) no wetness would occur.
7) the glass would be wet (or frosty) on the outside surface.
8) none of the above.
Answer: 4, 7
You might also like to view...
LIGO can detect strong gravitational waves as they pass by because they cause the L-shaped arms of the detector to
A) contract and expand by different amounts. B) become alternately more and less massive. C) experience gravitational time dilation. D) vibrate enough so that the vibrations can be measured with a seismograph.
Two long parallel wires carry unequal currents in the same direction. The ratio of the currents is 3 to 1. The magnitude of the magnetic field at a point in the plane of the wires and 10 cm from each wire is 4.0 ?T. What is the larger of the two currents?
A. 5.3 A B. 3.8 A C. 4.5 A D. 3.0 A E. 0.5 A
In the metric system, a penny might be called a(n) ______________ dollar
Fill in the blank(s) with correct word
The equation of continuity applied to an incompressible ideal fluid flowing through a pipe of varying diameter is based on what of the following being conserved for the fluid in the pipe?
a. its kinetic energy c. its flow rate b. its momentum d. its potential energy