A hoop of radius 0.5m; inclined plane; speed
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A hoop of radius 0.5m and a mass of 0.2kg is released from rest and allowed to roll down an inclined plane. How fast is it moving after dropping from a vertical distance of 3m?
a. 5.4m/s
b. 3.8m/s
c.7.7m/s
d.2.2m/s
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