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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 = 3.3t²-3.5t and y=5.2t²-t³/2.1. Determine the magnitudes of the velocity v and acceleration a and the angles which these vectors make with the x-axis when t = 1.9 s.

A particle which moves with curvilinear motion has coordinates in millimeters which vary with the time t in seconds according to x = 3.3t²-3.5t and y=5.2t²-t³/2.1. Determine the magnitudes of the velocity v and acceleration a and the angles which these vectors make with the x-axis when t = 1.9 s.

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Find θx and θx. 86.66 and 86.66 are incorrect. Thank you

A particle which moves with curvilinear motion has coordinates in millimeters which vary with the time t in seconds according to x = 3.3t²-3.5t and y=5.2t²-3/2.1. Determine the magnitudes of the velocity v and acceleration a and the angles which these vectors make with the x-axis when t = 1.9 s. Answers: When t = 1.9 s, v= 17.17 8.262 mm/s, 0- i 86.66 mm/s², 0, i 86.66
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 = 3.3t²-3.5t and y=5.2t²-3/2.1. Determine the magnitudes of the velocity v and acceleration a and the angles which these vectors make with the x-axis when t = 1.9 s. Answers: When t = 1.9 s, v= 17.17 8.262 mm/s, 0- i 86.66 mm/s², 0, i 86.66
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