2023 National Question 4 Single-choice Differentiating 2023_全国甲 Paper 4. 一质点做匀速圆周运动,若其所受合力的大小与轨道半径的n次方成正比,运动周期与轨道半径成反比,则n等于( ) A. 1B. 2C. 3D. 4 Answer keyC ☆ SaveCan't do it, show the explanation查看原卷 →