Which of the following expresses 5.2 × 10-5 s correctly using the metric prefixes given?
3
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Consider the cooling of (a) a personal computer with a separate CPU, and (b) a laptop computer. The reliable functioning of these machines depends upon their effective cooling. Identify and briefly explain all modes of heat transfer that are involved in the cooling process.
GIVEN - A personal computer with a separate CPU (the monitor, keyboard, and mouse are separate and not considered). - A laptop computer. FIND Identify and describe modes of heat transfer involved in their cooling. ASSUMPTIONS - The computers are turned on and in normal operation.
GPS stands for
a. the metric system of measurement. b. grams per second. c. Global Positioning System. d. a space shuttle. e. none of the above.
Suppose you were near a site with mercury pollution and were told that a plant could take mercury up, but that it would emit mercury vapor. Would it be worth planting these plants? Why or why not? (This is an expected phenomenon.)
What will be an ideal response?
When looking at an object through a magnifier, the focused image you see is
A. Upright and real B. Inverted and real C. Upright and virtual D. Inverted and virtual