The x-coordinate of a particle in curvilinear motion is given by x = 6.0t³-4.2t where x is in feet and t is in seconds. The y-component of acceleration in feet per second squared is given by ay = 2.5t. If the particle has y-components y = 0 and vy = 4.4 ft/sec when t = 0, find the magnitudes of the velocity v and acceleration a when t = 4.9 sec. Sketch the path for the first 4.9 seconds of motion, and show the velocity and acceleration vectors for t = 4.9 sec. Answers: V= a i ft/sec ft/sec²

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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The x-coordinate of a particle in curvilinear motion is given by x = 6.0t³ -4.2t where x is in feet and t is in seconds. The y-component of
acceleration in feet per second squared is given by ay = 2.5t. If the particle has y-components y = 0 and vy = 4.4 ft/sec when t = 0, find
the magnitudes of the velocity v and acceleration a when t = 4.9 sec. Sketch the path for the first 4.9 seconds of motion, and show the
velocity and acceleration vectors for t = 4.9 sec.
Answers:
V=
a=
ft/sec
ft/sec²
Transcribed Image Text:The x-coordinate of a particle in curvilinear motion is given by x = 6.0t³ -4.2t where x is in feet and t is in seconds. The y-component of acceleration in feet per second squared is given by ay = 2.5t. If the particle has y-components y = 0 and vy = 4.4 ft/sec when t = 0, find the magnitudes of the velocity v and acceleration a when t = 4.9 sec. Sketch the path for the first 4.9 seconds of motion, and show the velocity and acceleration vectors for t = 4.9 sec. Answers: V= a= ft/sec ft/sec²
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