A Hoop with a Mass of 2

question 53

Multiple Choice

A hoop with a mass of 2.75 kg is rolling without slipping along a horizontal surface with a speed of 4.5 m/s when it starts down a ramp that makes an angle of 25° below the horizontal.What is the forward speed of the hoop after it has rolled 3.0 m down as measured along the surface of the ramp?

• A)4.9 m/s
• B)6.3 m/s
• C)5.2 m/s
• D)5.7 m/s
• E)8.0 m/s

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