Question

28. A river 3m deep and 40m wide is flowing at rate of 2km per hour
much water will fall into the sea in a minute,
​

Answer 1

Answer:

Answer

Here, Area of river = depth × width

=3×40=120m

2

amount of water that falls into the sea ⇒ area of river × flow rate

⇒120m

2

×2

hr

km

⇒120×

(60)min

2×1000m

3

⇒4000

min

m

3

∴4000m

3

of water falls into the sea permin.

hope this is help you☺ friend

Answer 2

Step-by-step explanation:

Height of river= 3m

Breadth of river= 40m

Length of river= 2km=2×1000m=2000m

Voluhe of river= l×b×h

= 2000×40×3 m³

= 240000 m³

Amount of water in one minute= volume/60 min

= 240000/60

= 4000 m

THIS IS CLASS IX NCERT SOLUTION

CLASS IX NCERT SOLUTION CHAPTER 13 SURFACE AREA AND VOLUME

CLASS IX NCERT SOLUTION CHAPTER 13 SURFACE AREA AND VOLUMEPLS MARK ME AS BRAINLIEST

CLASS IX NCERT SOLUTION CHAPTER 13 SURFACE AREA AND VOLUMEPLS MARK ME AS BRAINLIEST HOPE IT HELPS U DUDE