Ababy elephant is stuck in a mud hole. to pull it out, game keepers use a rope to apply a force fa, as part a of the drawing shows. by itself, however, force fa is insufficient. therefore, two additional forces fb and fc are applied, as in part b of the drawing. each of these additional forces has the same magnitude f. the magnitude of the resultant force acting on the elephant in part b of the drawing is k times larger than that in part a. find the ratio f/fa when k = 2.10. the angle is 16 degrees.
the answer must be in 4 significant figures.
Answers: 1
Physics, 22.06.2019 01:10
The x-coordinate of a particle in curvilinear motion is given by x = 3.1t3 - 4.9t where x is in feet and t is in seconds. the y-component of acceleration in feet per second squared is given by ay = 2.3t. if the particle has y-components y = 0 and vy = 5.0 ft/sec when t = 0, find the magnitudes of the velocity v and acceleration a when t = 1.8 sec. sketch the path for the first 1.8 seconds of motion, and show the velocity and acceleration vectors for t = 1.8 sec. answers: v = ft/sec a = ft/sec2
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Physics, 22.06.2019 22:00
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Ababy elephant is stuck in a mud hole. to pull it out, game keepers use a rope to apply a force fa,...
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