# 3. A round item of mass M starts from rest at the top of a hil...

###### Question:

3. A round item of mass M starts from rest at the top of a hil of height h. It rolls down the hill, gaining both translational and rotational kinetic energy. Choose either a solid sphere (I = 름MR2), a solid cylinder (1-AMR2), or a hoop (I =MR2) and calculate the translational velocity v of the object at the bottom of the hill in terms of M, g, h, and numerical constants.

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