A point charge for which Q = 4.2 × 10-16 C and m = 2.5 x 10-26 kg is moving in the combined fields E = 250ax + 115ay - 230a, V/m and B = 2ax - ay - 3az mT. If the charge velocity at t = 0 is v(0) = (2ax + 4ay +3az) x 105 m/s: give the unit vector showing the direction in which the charge is %D %3D accelerating at t = 0. • find the kinetic energy of the charge at t = 0.
A point charge for which Q = 4.2 × 10-16 C and m = 2.5 x 10-26 kg is moving in the combined fields E = 250ax + 115ay - 230a, V/m and B = 2ax - ay - 3az mT. If the charge velocity at t = 0 is v(0) = (2ax + 4ay +3az) x 105 m/s: give the unit vector showing the direction in which the charge is %D %3D accelerating at t = 0. • find the kinetic energy of the charge at t = 0.
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Transcribed Image Text:A point charge for which Q = 4.2 × 10-16 C and m =
2.5 x 10-26 kg is moving in the combined fields E =
250ax + 115ay - 230a, V/m and B = 2ax - ay - 3a,
mT. If the charge velocity at t = 0 is v(0) = (2ax +
4ay +3az) × 105 m/s:
%3D
give the unit vector showing the
direction in which the charge is
accelerating at t = 0.
find the kinetic energy of the charge
at t = 0.
Answers:
a. Blank 1ax + Blank 2ay + Blank 3 az
b. Blank 4 fJ
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