Recent content by sajithcv

It is not we who pump the water up. we create a vacuum, the atmospheric pressure will pump the water up.

If we pump water to the higher tank, we assume both tanks are having the same pressure. But if we create vacuum in the top tank, then the water will flow from the lower tank to the upper tank right?

Thanks, But the atmospheric pressure will be doing work on the water right?

If I Make two(many) tanks to fill water each one at different height levels. 1. Fill the lowest tank with water, open it to atmosphere. 2. close the second tank and create vacuum in it. make water flow from first tank to this till it gets filled. will this process allow me to store extra...

Hi friends,. If black holes absorb light also, how can it exert any gravity outside a particular region? Or something can move faster than light?