[제 3회] 마찰력이 있는 면에서 질량이 감소하는 물체의 운동에 관하여
jryoungw
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18842
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2022.09.08 23:39
![스크린샷 2022-09-08 오후 11.36.04.png](https://freshrimpsushi.com/community/data/editor/2209/1948721548_1662647951.7657.png "스크린샷 2022-09-08 오후 11.36.04.png")![스크린샷 2022-09-08 오후 11.36.21.png](https://freshrimpsushi.com/community/data/editor/2209/1948721548_1662647959.5541.png "스크린샷 2022-09-08 오후 11.36.21.png")![스크린샷 2022-09-08 오후 11.36.37.png](https://freshrimpsushi.com/community/data/editor/2209/1948721548_1662647967.1794.png "스크린샷 2022-09-08 오후 11.36.37.png")![스크린샷 2022-09-08 오후 11.37.04.png](https://freshrimpsushi.com/community/data/editor/2209/1948721548_1662647973.5873.png "스크린샷 2022-09-08 오후 11.37.04.png")