A well `20m` deep and `3m` is diameter contains water to a dept of `14m`. How long will a `5 hp` engine take to empty it ?

Explanation

To solve the problem of how long it will take a 5 hp engine to empty a well that is 20 meters deep and contains water up to a depth of 14 meters, we can follow these steps:

### Step-by-Step Solution:

1. **Convert Horsepower to Watts:**
The power of the engine is given as 5 hp. We need to convert this to watts since 1 hp = 746 watts.
\[
P = 5 \, \text{hp} \times 746 \, \text{W/hp} = 3730 \, \text{W}
...