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3.5 A small block is free to slide inside of a slot in the rotating platform, as shown in Figure
3.13. It moves outward relative to the platform with a speed of r 7t m/s. If the
platform is rotating clockwise at a constant rate of 4.5 rad/sec and the block starts
initially at rest from the center of the platform, what are the velocity and acceleration
of the block after 0.5 seconds?
Figure 3.13: Figure for Problem 3.5

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