1) 100 men took a dip in a pond 50 m long and 18 m wide. If the average displacement of water by a man was 3.6 meter cube, then calculate the rise in the water level.
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Answer:
the rise in the water level is 0.4 meters.
Step-by-step explanation:
When every man gets into the pond, he displaces 3.6 cubic meters of water.
Now, 100 men took a dip into the tank.
The total volume of water displaced is therefore:
Total volume = 100 × 3.6 = 360 cubic meters
The dip is in form of a cuboid.
The volume of a cuboid = Length × width × height
Substituting the values we have:
360 m³ = 50 × 18 × h
360 m³ = 900 h
h = 360/900 = 0.4 meters.
The rise in water level is 0.4 meters.
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