[问答题]
A sphere and a cylinder have the same radius efqa*sfyu-9r wmk2 j.eu,zo :5 vzq7+*ml)wwand the same mass. T9zc 7xvrcux2364y:6clvkli ihey start from rest at the top of an incline. Which reaches the bottom first? Which has ty vk346i96cl7 ux:lrvcz c2xihe greater speed at the bottom? Which has the greater total kinetic energy at the bottom? Which has the greater rotational KE?
Post time 2025-2-18 20:00:22
