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Problem
Problem
A charge
q
=
−
4
μ
C
q = -4 \mu\text{C}
q
=
−
4
μ
C
has an instantaneous velocity
v
=
(
2
i
^
−
3
j
^
+
k
^
)
×
10
6
\mathbf{v} = (2 \hat{\mathbf{i}} - 3 \hat{\mathbf{j}} + \hat{\mathbf{k}}) \times 10^6
v
=
(
2
i
^
−
3
j
^
+
k
^
)
×
1
0
6
m/s in a uniform magnetic field
B
=
(
2
i
^
+
5
j
^
−
3
k
^
)
×
10
−
2
\mathbf{B} = (2 \hat{\mathbf{i}} + 5 \hat{\mathbf{j}} - 3 \hat{\mathbf{k}}) \times 10^{-2}
B
=
(
2
i
^
+
5
j
^
−
3
k
^
)
×
1
0
−
2
T. What is the force on the charge?
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