[问答题]
Two solid spheres simultaneously start rolling (fv(fcn2 uz cuy1h 5vvm-5u3q.2n-ufvzrom rest) dow 7t )expt*;5(qqkluuma;,jp ln an incline. One sphere has twice the radius and twice the mass of the other. Which reaches the bottom of the incline first? Which has the greater speed there? Which has the greater total kinetic *t;tl q5e, (p;l q)p7uxumajkenergy at the bottom?
Post time 2025-2-18 20:00:22
