[问答题]
Two solid spheres simultaneous2ft,4 tyb0pao2zkah 8ly start rollingp/f4r0pk ( lrvwq t5jsh2: b/u (from 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? rtfu 2jq5 p ksb/wpvr4/(0:hlWhich has the greater speed there? Which has the greater total kinetic energy at the bottom?
Post time 2025-2-18 20:00:22
