How much does two pints of water weigh when frozen?
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Explain what are wave fronts?
Explain the Rectilinear Propagation of Light ?
In Einstein's mass energy relation E=mc2 why velocity of light is used and never ordinary velocities?what is the exact explanation?
the weight of the body at the centre of the earth is
what happens when an object travels in the speed of light hits another object?
What is the life of permanent magnet and what type of magnet is used in speakers?
This perceived force, that seems to want to throw a person off a merry-go-round, is often regarded by physicists as a fictitious force:
while climbing a hill we bend forward please explain the reason for bending
Explain what is relation between magnetic and electricity and why?
What is channel?
What is the difficulty in making fusion based nuclear reactors?
Why dies water rise in the trees ?