问题描述:
如图所示,在直角坐标系xoy的第一象限中分布着沿y轴负方向的匀强电场,在第四象限中分布着方向向里垂直纸面的匀强磁场.一个质量为m、带电+q的微粒,在A点(0,3)以初速度v0=120m/s平行x轴射入电场区域,然后从电场区域进入磁场,又从磁场进入电场,并且先后只通过x轴上的p点(6,0)和Q点(8,0)各一次.已知该微粒的比荷为q |
m |
最佳答案:
(1)微粒从平行x轴正方向射入电场区域,由A到P做类平抛运动,微粒在x轴上做匀速直线运动,则有 Sx=v0t 得 t=
Sx |
v0 |
1 |
2 |
vy |
v0 |
at |
v0 |
2 |
v2 |
R |
mv |
qB |
2 |
mv |
qR |
来源:网络整理 免责声明:本文仅限学习分享,如产生版权问题,请联系我们及时删除。
相关文章:
A new______ bus service to Tianjin Airport started04-30
her04-30
小学六年级英语过去式我的周末04-30
7. Intelligence does not _________ mean success. Y04-30
Lizzie was ______ to see her friend off at the air04-30
Jack is late again. It is ___ of him to keep other04-30
It is reported that the United States uses _____ e04-30
My brother is really ____. He often works in his o04-30