2/4 The velocity of a particle along the s-axis is given by v = 5s3/2, where s is in millimeters and v is in millime- ters per second. Determine the acceleration when s is 2 millimeters.

The y-coordinate of a particle in curvilinear motion is given by y = 8.3t3 - 5.4t, where y is in inches andt is in seconds. Also, the particle has an acceleration in the x-direction given by ax = 10.6t in./sec?. If the velocity of the particle in the x-direction is 13.0 in./sec when t = 0, calculate the magnitudes of the velocity v and acceleration a of the particle when t = 1.7 sec. Construct v and a in your solution. %3D Answers: When t = 1.7 sec, V = i in./sec a = in./sec2

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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 = 2.4t2 - 6.9t and y = 3.2t2 - t/2.2. Determine the magnitudes of the velocity v and acceleration a and the angles which these vectors make with the x-axis when t = 2.9 s. Answers: When t = 2.9 s, V = i mm/s, e, = a = i mm/s?, O = i