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  1. A water tank is a cuboid with dimensions 40 cm by 90 cm by 70 cm .
    The tank is initially empty and is then filled with the water which flows
    from a pipe of cross-sectional area at a speed of .
    Calculate the time, in minutes, that it takes to fill the tanks completely.

Ask by Parsons Reese. in Bangladesh
Dec 19,2024

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It takes 10 minutes to fill the tank completely.

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Mind Expander

To find the time it takes to fill the tank, we first need to calculate its volume and the flow rate from the pipe.
The volume of the tank is given by:
Next, we convert this volume to cubic meters since the flow speed is in m/s:
Now, we calculate the flow rate from the pipe:
Converting the area to square meters:
Thus,
Finally, to find the time to fill the tank:
Convert seconds to minutes:
Therefore, the time it takes to fill the tank completely is 10 minutes.

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