• a.  Determine the magnitude of normal reaction the ramp exerts on the sack at this instant.
• b. Determine the rate of increase in the speed of the sack.
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The 8-kg sack slides down the smooth ramp. It has a speed of 1.5 m/s when y=0.34 m. Suppose that y(z) = 0.34e* m, where zis in m (Figure 1) Figure -y(x) 1 of 1 X