[问答题]
Two inclines have the same hec;qfvnf1;, ( obvkpv9 ight but mak8as+ 4ht lf6q)xe 1zzea,x(pm e different angles with the horizontal. The same steel ball is rolled down each incline. On which inclza(stz)8p l1emxfe +,6 xahq4 ine will the speed of the ball at the bottom be greater? Explain.
Post time 2025-2-18 20:00:22
