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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gargg
What angle θA, where 0∘≤θa<360∘, does A make with the +x-axis?
You are given two vectors A⃗ =−3.00ι^+7.00j^ and B⃗ =8.00ι^+2.00j^. Let the counterclockwise angles be positive. i) What angle θA, where 0∘≤θA<360∘,...
archisha
Write a vector equation for A for each arrangement of vectors
There are 5 different arrangements for this question, all given in image
naughty
In the grating equation nλ=d sin θ, the quantity θ will be determined in the lab
A) Using the angular scale on the experimental apparatus. B) Using meter sticks and geometry/trigonometry. C) using a protractor.
arshia
Increasing the mass attached to a spring will increase the angular frequency of its vibrations.
True/False question from simple harmonic motion! How angular frequency is effected by mass? Is angular frequency directly proportional to mass?
padmajai
How will the desired centripetal force be set?
(i) By measuring the velocity, radius, and mass of the test mass. (ii) By choosing a value for the hanging mass. (iii) By measuring the accelera...
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gargg
What angle θA, where 0∘≤θa<360∘, does A make with the +x-axis?
You are given two vectors A⃗ =−3.00ι^+7.00j^ and B⃗ =8.00ι^+2.00j^. Let the counterclockwise angles be positive. i) What angle θA, where 0∘≤θA<360∘,...
archisha
Write a vector equation for A for each arrangement of vectors
There are 5 different arrangements for this question, all given in image
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.
arshia
Increasing the mass attached to a spring will increase the angular frequency of its vibrations.
True/False question from simple harmonic motion! How angular frequency is effected by mass? Is angular frequency directly proportional to mass?
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