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Problem
Problem
A wire of mass 100 g is carrying a current of 2 A towards increasing
x
x
x
in the form of
y
=
x
2
(
−
2
m
≤
x
≤
+
2
m
)
y = x^2(-2m \le x \le +2m)
y
=
x
2
(
−
2
m
≤
x
≤
+
2
m
)
. This wire is placed in a magnetic field
B
=
−
0.02
k
^
\mathbf{B} = -0.02 \hat{\mathbf{k}}
B
=
−
0.02
k
^
tesla. The acceleration of the wire (in
m/s
2
\text{m/s}^2
m/s
2
) is (a)
−
1.6
j
^
-1.6 \hat{\mathbf{j}}
−
1.6
j
^
(b)
−
3.2
j
^
-3.2 \hat{\mathbf{j}}
−
3.2
j
^
(c)
1.6
j
^
1.6 \hat{\mathbf{j}}
1.6
j
^
(d) zero
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