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
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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