Question

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step by step explanation....

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Answer 1

Answer:

562500 m²

Step-by-step explanation:

Given, Width of canal = 6 m.

Given, Depth of canal = 1.5 m.

Given, Speed = 10 km/hr.

Then, in 30 minutes length of water column = 5 km.

Height of standing water needed for irrigation = 8 cm = 0.08 m.

Length of water flowing in 30 minutes = 5/(30/60) = 5 km = 5000 m.

∴ Volume of the water flowing = 5000 * 6 * 1.5 = 45000 m³.

Let x m² area to be irrigated in 8 cm (or) 0.08 m.

⇒ x * 0.08 = 45000

⇒ x = 45000/0.08

⇒ x = 562500.

Therefore, the canal irrigated 562500 m² area in 30 minutes.

Hope it helps!