celos
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Questions Answered

flamin1:
A nonconducting sphere contains positive charge distributed uniformly throughout its volume. Which statements about the potential due to thi…
 updated one year ago
 10 replies
 2 Medals
Mathematics

sid123:
is there any relation between fine struckture zeeman effect .how can i understand the coupling scheme
…
 updated 5 months ago
 2 replies
 No Medals Yet
Mathematics

celos:
quantum mechanics: uncertainty principle
…
 updated one year ago
 16 replies
 1 Medal
Mathematics

Bg131:
What occurs when light changes direction after colliding with particles of matter
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

tfguss:
In the attached figure, m1 = 9.5 kg and m2 = 4.5 kg. The coefficient of static friction between m1 and the horizontal surface is 0.60 while …
 updated one year ago
 3 replies
 2 Medals
Mathematics

0mega:
At t=0, a stone is dropped from a cliff above a lake; 1.6 s later another stone is thrown downward from the same point with an initial speed…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

FreakyNetoow:
After 43.0 minutes, 34.0% of compound decomposed. What is the halflife of this reaction assuming first order kinetics?
 updated 5 months ago
 3 replies
 No Medals Yet
Mathematics

vishakha_IAC:
i have to prepare a presentation on photonics related topic. plzzz suggest some good topics.
i think optical farming is nice but i could n…
 updated one year ago
 5 replies
 No Medals Yet
Mathematics

mariayalejandro2011:
The refractive index of medium A is 1.54 and that of medium B is 2.12. Which statement is correct about this information?
A. a ray of lig…
 updated one year ago
 4 replies
 1 Medal
Mathematics

izavala:
if a transverse wave is created in a medium which extends horizontally from left to right, then the particles of the medium willl vibrate in…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

LibbyDurfey:
What is the mass of an atom that has 4 protons, 5 neutrons and 4 electrons?
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

seidi.yamauti:
A little platform oscile with a frequency of 4hz and an amplitude of 7 cm, attached to a vertical spring. A small object is poised on the to…
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

ultimatonyl:
Which of the following statements or expressions is most nearly associated with Kepler's First Law of Planetary Motion?
P2 = A3
…
 updated one year ago
 1 reply
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Mathematics

JSmooth:
If there is an electric field 100N/C upward 300m above the ground, and and electric field 150N/C upward 100m above the ground, how would I f…
 updated one year ago
 2 replies
 1 Medal
Mathematics

rnpua:
Plot the voltage of the diode and the voltage across the resistor for 0≤t≤
2
f
…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

celos:
i m little bit confused here.
if a electron beam having energy greater than ionization energy of an atom, is bombarded on the atoms. What w…
 updated one year ago
 19 replies
 No Medals Yet
Mathematics

henpen:
In the Bohr atomic model, what determines what the wavelength of possible electron orbitals are? Is the first orbital defined by experiment …
 updated one year ago
 8 replies
 1 Medal
Mathematics

Yahoo!:
Three successive lines in the atomic spectrum of hydrogen have wave lenghts 18746A , 12815A and 10935A calculate the series limit for the s…
 updated one year ago
 12 replies
 2 Medals
Mathematics

Gio333:
What is the restriction on the rule that says, when two numbers are multiplied within a square root, you can split it into a multiplication…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

siddhantsharan:
Find centripetal acceleration For a body in a motion with,
v = 2t i + t^2 j
i  x direction
…
 updated one year ago
 44 replies
 3 Medals
Mathematics

Mamoona_akbar:
plz explain this statement:
simple harmonic motion is the projection of uniform circular motion onto a diameter?
 updated one year ago
 6 replies
 2 Medals
Mathematics

azntiger627:
hghg
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

Skhy:
1 What is a possible quantum number set for an electron found in a groundstate helium (He) atom? (1, 1, 1, +½) (1, 1, 0, ½) (1, 0, 1, ½) …
 updated one year ago
 1 reply
 1 Medal
Mathematics

nickloas:
Why does electrical current always flow from areas of negative charge to areas of positive charge?
 updated one year ago
 3 replies
 1 Medal
Mathematics

angelic8778:
What happens if two sound waves having the same frequency interfere in phase?
 updated one year ago
 2 replies
 3 Medals
Mathematics

RaphaelFilgueiras:
A spherical uniform shell rotates in a vertical axis without friction.One string without mass passing through sphere equator and a sheave h…
 updated one year ago
 15 replies
 2 Medals
Mathematics

ganeshie8:
if nothing can go beyond the speed of light, then how a BUFFER can have a delay as low as 50 picosecond or how ICs can work at Ghz range (> …
 updated one year ago
 7 replies
 1 Medal
Mathematics

xkat:
Find the heat that flows in 1 s through a lead brick 15 cm long if the temperature difference between the ends of the brick is 8.8° C. The c…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

celos:
i am learning German, so plz....... suggest me some german songs with less instrumental music and clear lyrics.
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

vivsss:
The table below compares the radioactive decay rates of two materials.
Material Original mass of material (in grams)
…
 updated one year ago
 3 replies
 4 Medals
Mathematics
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