Question

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

Answer 1

River is flowing at the speed of,

Width of the river

Depth of the river

We need to find the water flowed in one minute

So, in one minute, the river covers the distance (say, l) of .

Quantity of water that will fall into the sea in one minute,

So, in one minute of water will fall into the sea.