When I have one cubic foot of air enclosed within a
weightless container and place it on the surface of a fresh
water body of water at sea level how much mass (weight)
will it support before it sinks below the surface?
What is the second law of thermodynamics?
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Name the metal that burns in oxygen with a dazzling white flame
x- rays travel with the velocity of
Explain the Strain ?
What are the branches of physics?
Why we put the time (t) always in x-axis?
Why does a heavy stone nor break a glass place when place slowly on it, while a small stone falling from a great height easily breaks it ?
Explain what does gravitational force depend on?
Why have the electron and the proton the same charge whereas the proton is 1836 times heavier?
What is radium used for?
Explain the Fluorescence ?