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A proton of charge e and mass m enters a...

A proton of charge `e` and mass `m` enters a uniform magnetic field `B = Bi` with an initial velocity `v=v_xhati+v_yhatj`. Find an expression in unit vector notation for its velocity at time `t`.

Text Solution

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The correct Answer is:
`vecv(t)=v_(0x)hati+v_(0y)(sin omegat)hatk`
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