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Question

A rectangular box containing water is accelerated upwards at 3m/s2 on an inclined plane making 30o to the horizontal. The slope of the free liquid surface is
25047_3a7625e5a9f4449a9d041e3ead349206.png

A
0.23
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B
13
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C
3
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D
0.32
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Solution

The correct option is D 0.23
So,
Net downward acceleration=(g+32)m/s2
Net upward acceleration=332m/s2So,
A a horizontal distance l,
pressure at L=λL332=λ(2g+32)h
33L2g+3=h
So,
slope of free liquid surface =tanθ=33L2g+3L
tanθ=0.23

53947_25047_ans_23a43deb592c4c09afbd7ef991ef8d80.png

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