What is the advantage of fixed pulley?
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why is a coin in a vessel not vissible when seen fromjust below the edge of the vessel but can be viewed from the same position when water is poured into the vessel ?
Why land breeze is caused ?
What is Pressure ?
What large machine, which came on line in the summer of 2000 at the department of energys brookhaven national lab, is the world's highest energy ion collider:
Why does a tilted gyroscope not fall?
What is black body and what are its characteristics? : quantum physics
Why us the height of mercury column unaffected by the difference in the value of gravity at the same place?
Explain optical telescopes?
what is big ban theory???????????????????????????????
A burn from steam is more painful than that from boiling water. Why ?
Why is it easier to lift a stone in water than in air ?
How spectral lines show discrete energy levels in an atom. : quantum physics