A Solid Uniform Disk Is Rolling Without Slipping Along a Horizontal

question 13

Multiple Choice

A solid uniform disk is rolling without slipping along a horizontal surface with a speed of 4.5 m/s when it starts up a ramp that makes an angle of $25 ^ { \circ }$ with the horizontal. What is the speed of the disk after it has rolled 3.0 m up as measured along the surface of the ramp?

• A) 4.0 m/s
• B) 1.9 m/s
• C) 2.1 m/s
• D) 8.0 m/s
• E) 6.8 m/s

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