Recent questions in Physics

Physics

3303060
electric field problem
Explain what happens to the magnitude of the electric field of a point charge as_approaches zero_
truong-huynh-1
Final test of Principles of Physics
Does a boat float higher in the water of an inland lake or in the ocean? Apply your knowledge of fluid mechanics to explain why?
rawwnn
If its wavelength λ triples, its kinetic energy is:
A non-relativistic free electron has kinetic energy K. If its wavelength λ triples, its kinetic energy is:
rawwnn
Find the stopping potential for electrons ejected from the sample by 16 x 1014 Hz electromagnetic radiation
The work function for a certain sample is 3.2 eV. Find the stopping potential for electrons ejected from the sample by 16 x 10^14 **Hz ele...
sessanga-ronald
thin lenses as used in optics
why diverging lenses cannot be used as magnifying glass
100%
prince-victor-baba
Direct current and circuit analysis
It involves study of kirchhoff's laws,nodal
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johnvincent
If the earth were to shrink at a certain rate.
By what amount would the diameter of the earth need to shrink in order to speed its rotation by one second per day?
pumpedup
Since v = λ f, the speed v of a wave depends on its frequency f.
True or False? Any explanation or example for the correct answer would be very much appreciated.
chawada-keletshabe
What is 25kg N m-2 Converted To g cm-1 s2
converting derived units e.g N m-2 to g cm-1 s2 ​
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pumpedup
Since v = λ f, the speed v of a wave depends on its frequency f.
True or False? Any explanation or example for the correct answer would be very much appreciated.
johnvincent
If the earth were to shrink at a certain rate.
By what amount would the diameter of the earth need to shrink in order to speed its rotation by one second per day?
mohammad-ullah
Difference between electron capture & positron emission
electron capture reaction and positron emission compete eith each othar
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