COSMIC PERSPECTIVE
COSMIC PERSPECTIVE
9th Edition
ISBN: 9780135729458
Author: Bennett
Publisher: PEARSON
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Chapter 23, Problem 1EAP
To determine

The difference between the dark mass and dark energy. Also explain what types of observation led scientist to propose the existence of each of these unseen influences?

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Given water's mass of 18g/mole and the value of the fundamental charge (charge magnitude of the electron and proton), use the largest charge density from the article to determine what fraction of water molecules became ionized (charged) due to triboelectric effects when it flows through the material that causes the largest charge transfer.  Give your answer in e/molecule, or electrons transferred per molecule of water.  For instance, a value of 0.2 means only one in five molecules of water loses an electron, or that 0.2=20% of water molecules become charged
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Sketch the resulting complex wave form, and then say whether it is a periodic or aperiodic wave.

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