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At one instant, v  = (-2.57i + 2.98j - 4.23k) m/s is the velocity of a proton...

At one instant, v  = (-2.57i + 2.98j - 4.23k) m/s is the velocity of a proton in a uniform magnetic field B = (1.29i - 3.08j + 6.30k) mT. At that instant what are the (a) x, (b) y, and (c) z components of the magnetic force F on the proton? What are (d) the angle between v and F and (e) the angle between v and B?

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