Nhận biết (M1)

A thin ring is rolling without slipping on a level surface at a constant 3 pest of 250 . If the thin ring rolls up a , how far along the ramp will it move before it stops? ( )

• A.

  0.96 m

• B.

  0.64 m

• C.

  1.27 m

• D.

  0.89 m