[问答题]
Two inclines have the 6q ,,uswjs bncnxym .fi;8s; 0s:+ cpui,las2zr* g-i o0p:lzdame height but make different angles with the horizontal. The-: ip0s,ud*apgl+z: rz2 iloc same steel ball is rolled down each incline. On which incline will the speed of the ball at the bottom be greater? Explain.
