A rectangular vessel full of water, takes 10 minutes to be emptied through an orifice in its bottom. How much time will it take to be emptied when half filled with water
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Answered by
49
Answer: 7 min
Step-by-step explanation:
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Answered by
2
Answer:
7 minutes
Step-by-step explanation:
Refer the attachment
:
Velocity at top is the rate of fall in height.
Equation of continuity is used
Negative sign is taken coz height gets reduced with time.
It gets cancelled after substituting the limits.
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