[问答题]
Two solid spheres simultaneou*y,u hk1x+qi ysly start rolling (from z um-jlb 265wos9rno.rest) down an incline. One sphere has twice the radius and twice the mass of the other. Which reaches the bottom of the incline firs62os.-mn r ol5u9zj bwt? Which has the greater speed there? Which has the greater total kinetic energy at the bottom?
Post time 2025-2-18 20:00:22
