A uniform magnetic field of magnitude \( 0.20 \mathrm{~T} \) exists in space from east to west. ...

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A uniform magnetic field of magnitude \( 0.20 \mathrm{~T} \) exists in space from east to west. A particle having mass \( 10^{-5} \mathrm{~kg} \) and charge \( 10^{-5} \mathrm{C} \) is projected from south to north so that it moves with a uniform velocity. Find velocity of projection of the particle? \( \left(\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\right) \)
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