The y-coordinate of a particle in curvilinear motion is given by y=12.6t³-13.8t, where y is in inches and t is in seconds. Also, the particle has an acceleration in the x-direction given by a, = 9.1t in/sec². If the velocity of the particle in the x-direction is 11.4 in/sec when t=0, calculate the magnitudes of the velocity v and acceleration a of the particle when t = 3.9 sec. Construct v and a in your solution. Answers: Whent 3.9 sec. ya in/sec in/sec²

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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The y-coordinate of a particle in curvilinear motion is given by y = 12.6t³-13.8t, where y is in inches and t is in seconds. Also, the
particle has an acceleration in the x-direction given by a = 9.1t in./sec². If the velocity of the particle in the x-direction is 11.4 in./sec
when t = 0, calculate the magnitudes of the velocity v and acceleration a of the particle when t = 3.9 sec. Construct v and a in your
solution.
Answers: When t = 3.9 sec.
v=
in./sec
in./sec²
Transcribed Image Text:The y-coordinate of a particle in curvilinear motion is given by y = 12.6t³-13.8t, where y is in inches and t is in seconds. Also, the particle has an acceleration in the x-direction given by a = 9.1t in./sec². If the velocity of the particle in the x-direction is 11.4 in./sec when t = 0, calculate the magnitudes of the velocity v and acceleration a of the particle when t = 3.9 sec. Construct v and a in your solution. Answers: When t = 3.9 sec. v= in./sec in./sec²
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