[问答题]
Two solid spheres simultaneouqb+yw ez1i p)v*-5kmfsly start rolling (from nw6 fg8g3n3r -drcnm. /feg b:rest) down an incline. One sphere has twice the radius and twice the mass of the other. Which reaches the bottom of the incline first? Whicd:fwnc3n rgrbe nf./38g6 -g mh has the greater speed there? Which has the greater total kinetic energy at the bottom?
Post time 2025-2-18 20:00:22
