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3. A rod of mass m and radius R on two parallel rails that are a distance d apart and have a length L. The rod carries a current I in the in the direction shown and rolls along the rails without slipping. A uniform magnetic field B is directed perpendicular to the rod and rails. If it starts from rest, what is the speed of the rod as it leaves the rails? (Chapter 29, Problem 38, Physics for Scientists and Engineers - 9th ed. ) B

3. A rod of mass m and radius R on two parallel rails that are a distance d apart and have a length L. The rod carries a current I in the in the direction shown and rolls along the rails without slipping. A uniform magnetic field B is directed perpendicular to the rod and rails. If it starts from rest, what is the speed of the rod as it leaves the rails? (Chapter 29, Problem 38, Physics for Scientists and Engineers - 9th ed. ) B

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Note: The problems and reading are a continuation of reading on Magnetic Fields. Show all your work to arrive at a formulation for problems if necessary. A complete formulation without having to substitute numbers is sufficient as an answer.
Transcribed Image Text:Note: The problems and reading are a continuation of reading on Magnetic Fields. Show all your work to arrive at a formulation for problems if necessary. A complete formulation without having to substitute numbers is sufficient as an answer.
3. A rod of mass m and radius R on two parallel rails that are a distance d apart and have a length L. The rod carries a curret I in the in the direction shown and rolls along the rails without slipping. A uniform magnetic field B is directed perpendicular to the rod and rails. If it starts from rest, what is the speed of the rod as it leaves the rails? (Chapter 29, Problem 38, Physics for Scientists and Engineers - 9th ed. ) B L
Transcribed Image Text:3. A rod of mass m and radius R on two parallel rails that are a distance d apart and have a length L. The rod carries a curret I in the in the direction shown and rolls along the rails without slipping. A uniform magnetic field B is directed perpendicular to the rod and rails. If it starts from rest, what is the speed of the rod as it leaves the rails? (Chapter 29, Problem 38, Physics for Scientists and Engineers - 9th ed. ) B L
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