问题
选择题
.You are _______ right. It’s our responsibility to stop all illegal activities.
A．steadily
B．absolutely
C．eventually
D．anxiously
答案
答案：B
搜题请搜索小程序“爱下问搜题”
.You are _______ right. It’s our responsibility to stop all illegal activities.
A．steadily
B．absolutely
C．eventually
D．anxiously
答案：B
以4m/s的速度向右运动，然后从轨道最高点水平抛出。分析当半
圆轨道半径R多大时，物块A平抛运动的水平位移最大，并求出最大值。g取10m/s2。