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A hoop is rolling without slipping along a horizontal surface with a forward speed of 4.81 m/s when it starts up a ramp that makes

A hoop is rolling without slipping along a horizontal surface with a forward speed of 4.81 m/s when it starts up a ramp that makes an angle of 18.79° with the horizontal. What is the linear speed of the hoop after it has rolled 2.47 m up as measured along the surface of the ramp? Give your answer in m/s.  

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