Задача id12405

A particle with a mass m=10-12 kg and a charge q=-2• 10-11 C flies into a uniform electric field of strength E=40 V/m at an angle f=120° to its field lines with a speed v0=220 m/s. After what period of time will the particle move along the field line to a distance dh=3 m?

Detailed solution. Format gif