A uniform solid sphere is rolling without slipping along a ...

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A uniform solid sphere is rolling without slipping along a horizontal surface with a speed of 5.50 m/s when it starts up a ramp that makes an angle of 25.0 with the horizontal.
 
  What is the speed of the sphere after it has rolled 3.00 m up the ramp, measured along the surface of the ramp?
  A) 8.02 m/s B) 3.53 m/s C) 1.91 m/s D) 4.01 m/s E) 2.16 m/s

Question 2

A tire is rolling along a road, without slipping, with a velocity v. A piece of tape is attached to the tire. When the tape is opposite the road (at the top of the tire), its velocity with respect to the road is
 
  A) 2v
  B) v
  C) 1.5 v
  D) The velocity depends on the radius of the tire.

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Answer to Question 1

B

Answer to Question 2

A

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