150Its 4 I think.
Swarna Kamal Dhyawala how?? plzz explain in brief- Shreya Sharma Magnetic field cannot change the velocity of the particle only E can. Use that and you will get it. But I'm not sure if that's the answer.
A free point charge q and mass m is at rest at the origin .A constant electric field E = E0(i^- j^) and constant magnetic field B = -B k^ is present in whole region .When this charge reaches at position (2,20) its speed be √kqE0m then k equal to
-
UP 0 DOWN 0 0 3
3 Answers
1161Keep trying and wait for the next class.
- Swarna Kamal Dhyawala sir what is the answerUpvote·0· Reply ·2013-08-12 06:53:36
150