What is sonar ( sound navigation and ranging )?
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Why mercury rises in a barometer ?
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:
Explain why is there more friction when you push an object than when you pull it?
What is Steady State Load & Transient Load?
Why is it possible to see the face through a glass, ehen it is polished from on side ?
What is non metals ?
Explain band theory ?
Explain the Solids ?
What is meant by normal modes?
What is the opaque?
How much does sea salt weigh per cubic foot?
Why in cold countries, the water at the surface freezes and in the inner portion it is in the sate of water ?