[问答题]
Two solid spheres simultaneab(n3kfx t m4)oujv17z8 8 smn1i60u frc*qgrw z wj-7hqsly start rolling (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? Which has the greater speed there? Which has the greater total kinetic energy at th w77zzsq 6v0q-h g1rfu m881njrj*ci we bottom?
Post time 2025-2-18 20:00:22
