Find the force on a proton moving with velocity 4Mm/s in the positive x directio

Question

Find the force on a proton moving with velocity 4Mm/s in the positive x direction in a magnetic field of 2.0 T in the positive y direction. A Charge of -2.0nC moves with speed 3.0 times 106 m/s in the negative x direction. Find the force on the charge if the magnetic field is 0.6T in a positive y direction, 0.4T in the positive z direction, and 1.3T in the positive x direction A particle of charge +3.0nC moves in the positive x direction with speed 4.0 times 106m/s. It experiences a force of 2.4 times 10-2N in the positive z direction. Find whatever information you can about the magnetic field in the exercise. A uniform magnetic field of magnitude 1.5T is in the positive z direction. Find the force on a particle of charge +2.54 nC if its velocity is 400 km/s in the positive y direction, 800 km/s in the positive z direction, 200 km/s in

Explanation / Answer

v = - 3 e 6 i ;

a.

B = + 0.6 j

F = q v X B = ( -2 e -9 ) ( -3 e 6 i   X 0.6 j ) =   3.6 e - 3 k    <--ans

b .

F = q v X B = ( -2 e -9 ) ( -3 e 6 i   X 0.4 k ) = -2.4 e -3 j <--ans

c .

F = q v X B = ( -2 e - 9 ) ( -3 e 6 i X 1.3 i ) = 0 ;      <--ans

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