一带电粒子以与磁感应强度成30度角的初速度射入匀强磁场，它将做()：A、抛体运动B、螺旋线运动C、直线运动D、圆周运动
一带电粒子以与磁感应强度成30度角的初速度射入匀强磁场，它将做()：
A、抛体运动
B、螺旋线运动
C、直线运动
D、圆周运动
相关考题：
44、一带电粒子与磁感应线成任意角度射入匀强磁场，则它作___运动； If the electric particle and the magnetic induction line are injected into the uniform magnetic field at any Angle, it will do ___ motion.A．直线； straight lines;B．变速率圆周； speed change rate of the circumference;C．匀速率圆周； uniform speed of the circumference;D．（D）螺线； spiral;
一带电粒子垂直磁感应线射入匀强磁场，则它作___运动； With the electric particle vertical magnetic induction line into the uniform magnetic field, it makes ___motion;A．直线； straight lines;B．变速率圆周； speed change rate of the circumference;C．匀速率圆周； uniform speed of the circumference;D．螺线； spiral;
42、一带电粒子平行磁感应线射入匀强磁场，则它作___运动； If a parallel magnetic induction line of the electric particle is injected into the uniform magnetic field, it will move ___.A．直线； straight lines;B．变速率圆周； speed change rate of the circumference;C．匀速率圆周； uniform speed of the circumference;D．螺线； spiral;
一带电粒子平行磁感应线射入匀强磁场，则它作___运动； If a parallel magnetic induction line of the electric particle is injected into the uniform magnetic field, it will move ___.A．直线； straight lines;B．变速率圆周； speed change rate of the circumference;C．匀速率圆周； uniform speed of the circumference;D．螺线； spiral;
一带电粒子与磁感应线成任意角度射入匀强磁场，则它作___运动； If the electric particle and the magnetic induction line are injected into the uniform magnetic field at any Angle, it will do ___ motion.A．直线； straight lines;B．变速率圆周； speed change rate of the circumference;C．匀速率圆周； uniform speed of the circumference;D．（D）螺线； spiral;
一带电粒子垂直磁感应线射入匀强磁场，则它作________运动.