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Solve the all parts of following question:

Question: A particle of charge q and mass m moving up the page with velocity v enters a region with a uniform electric field E pointing to the right and a uniform magnetic field B directed into the page.

Part I: Find (symbolically) the magnitude of the electric force on the charge due to the electric field.

Part II: In what direction does the electric force point for positive q?

Part III: Write (symbolically) the magnetic force on the charge due to the magnetic field.

Part IV: In what direction does the magnetic force point for positive q?

Part V: Determine (symbolically) the velocity v for which these two forces balance and the charge experiences zero net force (ignore gravity).

I need help to find in what direction the magnetic force point for positive q.

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Category:- Physics
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