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A particle which moves with curvilinear motion has coordinates in millimeters which vary with the time t in seconds according tox- 1.9t²-3.1t and y-6.1t²-t/1.2. Determine the magnitudes of the velocity v and acceleration a and the angles which these vectors make with the x-axis when t-4.3 s. Answers: When t-4.3 s. a- mm/s, 0,- mm/s². 0,- i

A particle which moves with curvilinear motion has coordinates in millimeters which vary with the time t in seconds according tox- 1.9t²-3.1t and y-6.1t²-t/1.2. Determine the magnitudes of the velocity v and acceleration a and the angles which these vectors make with the x-axis when t-4.3 s. Answers: When t-4.3 s. a- mm/s, 0,- mm/s². 0,- i

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A particle which moves with curvilinear motion has coordinates in millimeters which vary with the time t in seconds according to x = 1.9t²-3.1t and y-6.1t2-t3/1.2. Determine the magnitudes of the velocity v and acceleration a and the angles which these vectors make with the x-axis when t - 4.3 s. Answers: When t = 4.3 s, V= a- i mm/s, ex- mm/s², 0,- i
Transcribed Image Text:A particle which moves with curvilinear motion has coordinates in millimeters which vary with the time t in seconds according to x = 1.9t²-3.1t and y-6.1t2-t3/1.2. Determine the magnitudes of the velocity v and acceleration a and the angles which these vectors make with the x-axis when t - 4.3 s. Answers: When t = 4.3 s, V= a- i mm/s, ex- mm/s², 0,- i
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