A particle which moves with curvilinear motion has coordinates in millimeters which vary with the time t in seconds according to x = 5.4t2 - 6.4t and y = 5.4t2 - t/4.9. Determine the magnitudes of the velocity v and acceleration a and the angles which these vectors make with the x-axis when t = 1.8 s. Answers: When t = 1.8 s, V = i mm/s, Ox = i mm/s?, ex= i a =
A particle which moves with curvilinear motion has coordinates in millimeters which vary with the time t in seconds according to x = 5.4t2 - 6.4t and y = 5.4t2 - t/4.9. Determine the magnitudes of the velocity v and acceleration a and the angles which these vectors make with the x-axis when t = 1.8 s. Answers: When t = 1.8 s, V = i mm/s, Ox = i mm/s?, ex= i a =
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Transcribed Image Text:A particle which moves with curvilinear motion has coordinates in millimeters which vary with the time tin
seconds according to x = 5.4t? - 6.4t and y = 5.4t2 - t/4.9. Determine the magnitudes of the velocity v and
acceleration a and the angles which these vectors make with the x-axis when t = 1.8 s.
Answers: When t = 1.8 s,
V =
i
mm/s,
Ox = i
i
mm/s?, ex
a =
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