Explain what does gravitational force depend on?
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By primarily using what simple machine did galileo come to the conclusion on the existence of friction?
Why are the days and nights equal at the Equator throughout the year?.
Explain Solution ?
What is the avarege speed of people fencing like at the olympic games. (sorry for the misspelled words)
Explain the Mass and Weight ?
we know when two atom combine,the electrions are in valance band,but in case of semiconductor doner or acceptor level are above of v.. whyb
How do whales sink or rise at their own will ?
Explain the cause of brownian motion?
Why is lighting conductor used ?
What do you know about the Colour photography?
How many femtometers are in a nanometer?
How can it be proved that the strength of the North and South poles of the magnet is same ?