Need help with a electromagnetism question

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Homework Help Overview

The discussion revolves around a problem in electromagnetism, specifically concerning the motion of a charged stone in a uniform magnetic field. The original poster is trying to determine the speed required for the stone to maintain horizontal motion without vertical deviation in a magnetic field with a strength of 1.7T.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • The original poster attempts to apply equations related to magnetic forces but expresses confusion regarding their applicability due to the lack of vertical deviation. Participants question the charge of the stone, the orientation of the page, and the definitions of variables in the equations used.

Discussion Status

The discussion is ongoing, with participants seeking clarification on the setup of the problem and the properties of the stone. Some guidance has been offered regarding the need for more information about the stone's charge and the orientation of the magnetic field.

Contextual Notes

There is uncertainty regarding the charge of the stone and the orientation of the page, which may affect the interpretation of the problem. The original poster indicates that the page is not vertical, which could influence the analysis of the magnetic field's effect.

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A stone is moving constantly in a horizontal motion in a uniform magnetic field in the direction pointing into the page. The field's strength is 1.7T. How fast does the stone have to move in order for it to remain moving horizontally without any vertical deviation?

For this quesion, using (9.8)(mass of rock)=QvB doesn't work because there's no vertical deviation. I also tried to do mv^2/r=QvB, but since it is moving horizontally and not in a circle, that doesn't work either. Can someone help me with this question please.
 
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Is that stone charged? What is its charge? Is the page vertical?

Do you know the meaning of the letters in the equations you cited? Is any of them include "vertical deviation"?

ehild
 
yeah i know the letters...the charge is -0.010C, my page is not vertical...
 
What is the direction of the magnetic field? You said, it is pointing into the page. Which page? Show a picture.

ehild
 

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