A particle has a charge of q = +5.70 A particle has a charge of q = +5.70 mu C a

Question

A particle has a charge of q = +5.70

A particle has a charge of q = +5.70 mu C and is located at the origin. As the drawing shows, an electric field of Ex = +250 N/C exists along the +x axis. A magnetic field also exists, and its x and y components are Bx = +1.90 T and By = +1.30 T. Calculate the force (magnitude and direction) exerted on the particle by each of the three fields when it is (a) stationary, (b) moving along the +x axis at a speed of 380 m/s, and (c) moving along the +z axis at a speed of 380 m/s.

Explanation / Answer

a) a) Fe = q E = 5.7E-6*250=1.425E-3 N in the x direction
Fbx = 0
Fby = 0

b) FE doesnt change
Fe = q E = 5.7E-6*250=1.425E-3 N in the x direction
Fbx = 0 since angle is zero
Fby = 5.7E-6*380*1.3=2.816E-3 N in the z direction

c)

FE doesnt change
Fe = q E = 5.7E-6*250=1.425E-3 N in the x direction
Fbx = 5.7E-6*380*1.3=4.12E-3 N in the y direction
Fby = 5.7E-6*380*1.3=2.816E-3 N in the -x direction

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