问题描述：
英语翻译
A piece of ice is kicked and slips along a horizontal ice surface with negligible resistance at a velocity of 2m/s.Does the ice experience any forward force?What is the velocity 5s later?
A piece of ice is kicked and slips along a horizontal ice surface with negligible resistance at a velocity of 2m/s.Does the ice experience any forward force?What is the velocity 5s later?
问题解答：
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