A particle of charge has velocity in a region where the magnetic field is

PHYSICS · Subjective · CBSE · Physics · Moving Charges and Magnetism · Moving Charges and Magnetism

Problem

A particle of charge q=1.6×10−19 Cq=1.6\times10^{-19}\,\text{C} has velocity v⃗=(2i^+3j^−4k^)×105 m s−1\vec v=(2\hat i+3\hat j-4\hat k)\times10^{5}\,\text{m s}^{-1} in a region where the magnetic field is B⃗=0.3i^−0.2j^+0.5k^ T\vec B=0.3\hat i-0.2\hat j+0.5\hat k\,\text{T}. Calculate the magnetic force vector F⃗\vec F acting on the particle (express your answer in newtons).

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