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sonia
Questions and answers by
sonia
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Questions (117)
Recall how the Schrödinger equation was motivated by the non-relativistic dispersion relation E=p22m. If we follow the same
3 answers
624 views
The ground state wavefunction for a particle in a shallow potential well in 1 dimension is of the form: Ae−|x|2d. Given that
1 answer
426 views
Suppose we have a particle in 1-dimension, with wavefunction Ae−|x|2d. What is the probability to find the particle in the
1 answer
385 views
What is the probability current density of a particle with wavefunction ψ(x,t)=exp(iℏ(px−Et))?
1 answer
336 views
The variance σ2X=⟨(X^−⟨X^⟩)2⟩ of an operator, X^, is a measure of how large a range its possible values are spread
3 answers
536 views
Suppose a particle has wavefunction ψ(x,t=0)=Aexp(−x22l2). What is the average value (expectation value) of p^, ⟨p^⟩, for
1 answer
385 views
is that electric current occupies space?
1 answer
312 views
How do you respond to these malay questions?
Siapakah kawan baik anda di sekolah? Adakah kamu suka akan matapelajaran
3 answers
426 views
Fuel wood logs sawed 53 times and 72 pieces made. If the cutter saw only one at a time how many there were before cutting?
4 answers
457 views
the elevation of a tower from a point on the ground is 30 at a point on the horizontal line passing through the foot of the
2 answers
546 views
calculate the weight in grams far a given solution of sodium thiosulphate crystals of strength 2.0M
4 answers
366 views
Kim bought a total of 48 cookies. Each cookie costs $.55, including tax. Of the cookies she bought, 3/8 were lemon cookies. What
2 answers
512 views
A man with brown eyes and dark hairs (whose father was blue eyed),marries a woman with blue eyes and blue curly hairs (whose
2 answers
938 views
using a scale of 1:250 draw an accurate plan of a rectangular garden measuring 25m x 15m.
6 answers
2,113 views
The temperature has been going down at a constant rate. In 8 hours it went down 16 degrees. Which expression best shows the
3 answers
705 views
Three-fourths of the class were girls.
Two-thirds of the girls have dark hair. What fractions of the class is female and dark
4 answers
1,315 views
A Sky-diver(falling vertically)starts from rest at time t=0.His acceleration is non-uniform until be reaches a steady speed of
1 answer
491 views
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