Question

A river 3m deep and 40m wide is flowing at the rate of 2km per hour. How much water in litres will fall into the sea in 2 minutes?

Answer 1

TTT

Step-by-step explanation:

Answer 2

Step-by-step explanation:

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.