A basketball rolls across a classroom floor without slipping. with its center of massmoving at a certain speed. A block of ice of the same mass is set sliding across thefloor with the same speed along a parallel line. Which object has more (i) kineticenergy and (ii) momentum? (a) The basketball does. (b) The ice does. (c) The twoquantities are equal. (iii) The two objects encounter a ramp sloping upward. Whichobject will travel farther up the ramp? (a) The basketball will. (b) The ice will. (c) Theywill travel equally far up the ramp.

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