A 20-C Charge Moves with a Velocity of $2.0 \tilde { \mathbf { i } } + 3.0 \tilde { \mathbf { j } } + 4.0 \tilde { \mathbf { k } }$

question 105

Multiple Choice

A 2.0-C charge moves with a velocity of ( $2.0 \tilde { \mathbf { i } } + 3.0 \tilde { \mathbf { j } } + 4.0 \tilde { \mathbf { k } }$ ) m/s and experiences a magnetic force of ( $4.0 \hat { \mathbf { i } } - 20 \hat { \mathbf { j } } + 12 \hat { \mathbf { k } }$ ) N.The x component of the magnetic field is equal to zero.Determine the y component of the magnetic field.

• A)-3.0 T
• B)+3.0 T
• C)+5.0 T
• D)-5.0 T
• E)+6.0 T

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