Science
9) please answer parts A, B, and C in the following problem, physics homework help

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answer# A

f=ilb

ma=ilb

v2/d=ilb/m

v2=ilbd/m.......1

putting values in this equation you can measure any velocity for related to this article

answer# B

Answer will be same as above but in negative directiobn


answer# 3

When an emf is generated by a change in magnetic flux according toFaraday's Law, the polarity of the induced emf is such that it produces a current whose magnetic field opposes the change which produces it. The induced magnetic field inside any loop of wire always acts to keep the magnetic flux in the loop constant. In the examples below, if the B field is increasing, the induced field acts in opposition to it. If it is decreasing, the induced field acts in the direction of the applied field to try to keep it constant.

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Duke University

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