[问答题]
Two solid spheres sios 2 r:e+bjh9o)vdr ( 6j5azafelv6q:multaneously start rolling (from rest) down an incline. One sphere has twice the radius and twice t5v zlv fq6e6j)aar:( dhe mass of the other. Which reaches the bottom of the incline first? Which has the greater speed there? Which has the greater total kinetic energy at the bottom?
Post time 2025-2-18 20:00:22
