A particle which moves with curvilinear motion has coordinates in millimeters which vary with the time t in seconds according to x = 1.7t2 - 4.5t and y = 4.8t2 - t3/4.7. Determine the magnitudes of the velocity v and acceleration a and the angles which these vectors make with the x-axis when t = 3.5 s. Answers: When t = 3.5 s, V = mm/s, Ox = i mm/s?, ex= i a = i
A particle which moves with curvilinear motion has coordinates in millimeters which vary with the time t in seconds according to x = 1.7t2 - 4.5t and y = 4.8t2 - t3/4.7. Determine the magnitudes of the velocity v and acceleration a and the angles which these vectors make with the x-axis when t = 3.5 s. Answers: When t = 3.5 s, V = mm/s, Ox = i mm/s?, ex= i a = i
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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 =
1.7t2 - 4.5t and y = 4.8t2 - t/4.7. Determine the magnitudes of the velocity v and acceleration a and the angles which these vectors
make with the x-axis when t = 3.5 s.
Answers: When t = 3.5 s,
V =
i
mm/s,
ex
i
mm/s?, ex=
a =
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