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Byju's Answer
Standard XIII
Physics
Potential Energy
A ladder unif...
Question
A ladder (uniform) is inclined at
37
∘
with horizontal (zero level). Potential energy of the rod is
A
48 J
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B
124 J
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C
96 J
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D
132 J
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Solution
The correct option is
C
96 J
Δ
P
.
E
=
m
g
×
(
h
e
i
g
h
t
o
f
c
e
n
t
e
r
o
f
g
r
a
v
i
t
y
)
=
8
×
10
(
2
s
i
n
37
o
)
=
80
×
2
×
3
5
=
80
×
0.6
×
2
=
96
J
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