Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 4, Problem 48Q
To determine
How the energy of sunlight can end up in a kangaroo jumping through the air by naming three forms of energy involved other than sunlight, when it is known that except for some rare and exotic microbes, the Sun provides energy for life on Earth.
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Suppose the Jackson family use the following appliances on a typical day in October:
Plasma TV (uses 250 watts per hour), used for 6 hours Microwave oven (uses 900 watts per hour), used for 30 minutes Refrigerator (uses 600 watts per hour), used for 24 hours Freezer (uses 400 watts per hour), used for 24 hours
Determine how many kilowatts is used by these 4 appliances in a 31-day month. Round your final answer to the nearest tenth.
Which of the following shows the flow of energy when a tree's leaves use sunlight to store energy in sugar molecules (which can be used by the cells)?
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Your answer:
chemical energy is transformed into nuclear energy
thermal energy is transformed into kinetic energy
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Chapter 4 Solutions
Universe
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