Question

A river 2 metre Deep and 45 metre wide is flowing at the rate of 3 km per hour. find the volume of water that runs into the sea per minute ​

Answer 1

Answer:

4500mm³

Step-by-step explanation:

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Area of cross sector of river = 2×45=90m

2

So, water flowing into the sea = area of cross section \times rate of flowing water

=90×3000

=270000m

3

the water flowing per minute =

60

270000

=4500m³

Answer 2

Given:

• A river 2 metre Deep and 45 metre wide is flowing at the rate of 3 km per hour.

To Find:

• Volume of water that runs into the sea per minute.

Solution:

Rate of water flow in the sea = 3 km/hr

• 3 km = 3000 m
• 1 hour = 60 min

➞ 3000m/60 min

➞ 50 m/min

• Depth of water = 2 m
• Width of water = 45 m

Volume of water flow in 1 min

➞ 50 × 45 × 2

➞ 4500 m³

∴ Volume of water that runs into the sea per minute is 4500m³

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