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Byju's Answer
Standard XII
Physics
Newton's Second Law
A body is pro...
Question
A body is projected up along a rough inclined plane of inclination
45
o
. The coefficient of friction is
0.5
. Then retardation of the block is:
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Solution
Net retarding force
= mg sin45 +
μ
cos 45
Retardation =
F
m
retardation =
m
g
s
i
n
45
+
μ
(
m
g
c
o
s
45
)
m
retardation =
g
√
2
(1 + 0.5)
retardation =
3
g
2
√
2
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