[问答题]
Two inclines have the same height bujz77pj-gb6m -fmaq 0lt make different angles with the horizomow1h( n;k4kb,1urbgntal. The same steel ball is rolled down each incline. On which incline will the speed of the ball at the bottom be greater? Explaim hnw,o(; 1bu4gr1b kkn.