Discuss whether it is possible to have a displacement whose magnitude is greater than the distance traveled
What will be an ideal response?
It is not possible. When the displacement is in one direction, that means that the
distance traveled is exactly as large as the magnitude of the displacement. Any difference in
direction will lead to a magnitude of the displacement smaller than the distance traveled.
In the diagram below, Someone walks along A and then B. The dashed line is the total
displacement. The magnitude (length) of C is less than the sum of the lengths of A and B.
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Ideal metals form close-packed crystal structures because the positive ______________cores pack like spherical billiard balls.
Fill in the blank(s) with the appropriate word(s).
Work-Energy Theorem: A certain car traveling at 34.0 mph skids to a stop in 29 meters from the point where the brakes were applied. In approximately what distance would the car have stopped had it been going 105.4 mph?
A. 279 m B. 158 m C. 90 m D. 51 m E. 29 m
Which of the following is NOT an example of a demographic characteristic?
A. gender B. purchasing preferences C. age group D. income
By studying distant galaxies in the 1920s, Hubble made the following important discovery that led us to conclude that the universe is expanding.
A) All galaxies contain billions of stars, and all galaxies have spiral shapes. B) All galaxies were born at the same time, and all will die at the same time. C) All galaxies outside the Local Group are moving away from us, and the farther away they are, the faster they're going. D) All galaxies outside the Local Group are orbiting the Local Group. E) Galaxies are in motion throughout the universe, with about equal numbers moving toward us and away from us.