Suppose the stone's mass is increased to (40 mathrm{~kg}), but it is launched at the same (3

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Suppose the stone's mass is increased to \(40 \mathrm{~kg}\), but it is launched at the same \(3 \mathrm{~m} / \mathrm{s}\). Which one of the following is true?

A. The stone would now travel a longer distance before coming to rest.

B. The stone would now travel a shorter distance before coming to rest.

C. The coefficient of friction would now be greater.

D. The force of friction would now be greater.

In the winter sport of curling, players give a \(20 \mathrm{~kg}\) stone a push across a sheet of ice. The stone moves approximately \(40 \mathrm{~m}\) before coming to rest. The final position of the stone, in principle, only depends on the initial speed at which it is launched and the force of friction between the ice and the stone, but team members can use brooms to sweep the ice in front of the stone to adjust its speed and trajectory a bit; they must do this without touching the stone. Judicious sweeping can lengthen the travel of the stone by \(3 \mathrm{~m}\).

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College Physics A Strategic Approach

ISBN: 9780321907240

3rd Edition

Authors: Randall D. Knight, Brian Jones, Stuart Field

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