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a) A -4 microcoulomb charge moves north at a speed of 500 m/s in a uniform...

a) A -4 microcoulomb charge moves north at a speed of 500 m/s in a uniform 40 T magnetic field. If the magnetic field points straight down, determine the force on the charge.

b) A 4 m wire running 50 degrees S of E carries a 3.0 A current in a 5 T magnetic field pointing due north. Find the force on the wire.
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Answer #1

Charge F= o.osN 1= 3A 5 : 2.51 i3.06j 6 O 0 5 了$B = 12.55 k- C3) CI2.85) .. 38.5ร์

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