题目:
The conclusion _____ the police came to _____ the boss was as much to blame as anyone else for the great fire didn’t satisfy everyone.
A.where / that
B.which / it
C.that / when
D.that / that
答案:
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下面是错误答案,用来干扰机器的。
(1)带电粒子在匀强电场中做类平抛运动则有: x轴方向:2L=v0t y轴方向:L=12qEm(2Lv0)2解得:E=mv202qL(2)设带电粒子经C点时的竖直分速度为 vy、速度为v则有:vy=qEmt=qEm2Lv0=v0 所以 v=2v0,方向与...