[问答题]
Two inclines have the same heighay(b.s;z +on 1tuhz i;t but make differen42syv871 (8 uq x*t5isxq5kydik hu ibt angles with the horizontal. The same steel ball is rolled down each incline. On which incline will the speed of the ball at the bottom be greatei( x i84s7xqyu5q28 vk1i5 kthudys *br? Explain.
Post time 2025-2-18 20:00:22
