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A river 2 meters deep and 45 meters wide is flowing at the rate of 3 km per hour. find the amount of water that runs into the sea per minute.

1
by preet2002

its urgent !

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by preet2002

its urgent !

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Given speed of river= 3km/h = 50m/min

distance = speed × time (min)

= 50 × 1

= 50 m

Assuming that the river is cuboidal

Length = distance travelled in a minute = 50m

Breadth = 45 m

Height = 2m

Volume of this cuboid = Volume of the river in it

⇒ lbh

= 50×45×2

= 100×45

= 4500m³

We know that 1m³ = 1000 litres

⇒4500m³ = 4500000 litres

The amount of water that rums into the sea per minute = 4500000 litres

I think this is right and helps you

distance = speed × time (min)

= 50 × 1

= 50 m

Assuming that the river is cuboidal

Length = distance travelled in a minute = 50m

Breadth = 45 m

Height = 2m

Volume of this cuboid = Volume of the river in it

⇒ lbh

= 50×45×2

= 100×45

= 4500m³

We know that 1m³ = 1000 litres

⇒4500m³ = 4500000 litres

The amount of water that rums into the sea per minute = 4500000 litres

I think this is right and helps you