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Problem
Problem
The potential energy function of a particle in the
x
x
x
-
y
y
y
plane is given by
U
=
k
(
x
+
y
)
U = k(x + y)
U
=
k
(
x
+
y
)
, where
k
k
k
is a constant. The work done by the conservative force in moving a particle from
(
1
,
1
)
(1, 1)
(
1
,
1
)
to
(
2
,
3
)
(2, 3)
(
2
,
3
)
is a.
−
3
k
-3k
−
3
k
b.
+
3
k
+3k
+
3
k
c.
k
k
k
d. None of these
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