nausheen
Active member
 |  Subject: mensuration Tue Feb 12, 2008 8:30 pm | |
| WATER FLOWS THROUGH A PIPE OF RADIUS .6CM AT 8CM PER SECOND .THIS PIPE IS DRAINING
THE WATER FROM A TANK WHICH HOLDS 1000 LITRES OF WATER WHEN FULL .
HOW LONG WOULD IT TAKE TO COMPLETELY EMPTY A TANK ? TAKE PI=3.1416 |
|
shashank
| | Subject: Re: mensuration Sun Feb 24, 2008 10:35 pm | |
| r=6cm tank=1000cm
rate=8cm
Cross section=3.1416 * 6 * 6= 113.0976
Volume the pipe can hold= cross section * rate
=113.0976 * 8
=904.64
time taken=1000*1000/904.64 (1 litre =1000cubic cms)
= 1105 seconds |
|
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