A jogger runs halfway around a circular path with a radius of 60.0 m. What, respectively, are the magnitude of the displacement and the distance jogged?
a. 60.0 m, 188 m
b. 120 m, 188 m
c. 0 m, 377 m
d. 120 m, 377 m
e. 60.0 m, 377 m
b
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A melon is tossed straight upward with 100 J of kinetic energy. If air resistance is negligible the melon will return to its initial level with a kinetic energy of
A) less than 100 J. B) more than 100 J. C) 100 J. D) need more information
The age of the solar system is believed to be approximately 4.6 billion years based on the data from
a. samples of lunar rocks. b. samples of Earth rocks. c. samples of meteorites. d. samples of lunar rocks, Earth rocks, and meteorites. e. None of the other choices are correct.
A force of 500 N is applied to a rod with a diameter of 4.00 mm. The stress in the rod is
a.
b.
c.
d.
e.