A rectangular box containing water is accelerated upwards at 3 m / s2 on a inclined plane making 30" to the horizontal as shown in fig. The side of the free liquid surface is
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a
0.23
b
1/3
c
3
d
0.32
answer is A.
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Detailed Solution
see figThe slope is given bytanθ=axay+g=acos30∘asin30∘+g =3×(3/2)(3/2)+9⋅8=3322⋅6=0⋅23
A rectangular box containing water is accelerated upwards at 3 m / s2 on a inclined plane making 30" to the horizontal as shown in fig. The side of the free liquid surface is