Physics
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John
  • Member for 6 years, 5 months
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All Questions Answers
Score Newest
question
2
What is the electric potential energy of a system of 2 charges? [closed]
May 9, 2017
question
2
How doI find the average induced emf in a coil given the rate of change of flux density, and the area of the coil?
May 10, 2017
question
2
What is the difference between an object being at the point of toppling and an object being at the point of slipping? [closed]
May 23, 2017
question
1
Angular displacement, minimum diameter of crater, and telescopes
Apr 22, 2017
question
1
Conditions for forming a stationary wave?
May 7, 2017
question
1
How to find the current if both positive and negative charges are moving?
May 9, 2017
question
1
Why is there an emf induced across the width of a metal sheet when it is moved across a uniform magnetic field?
May 9, 2017
question
0
Using Newton's third law
Apr 23, 2017
question
0
How does Lenz law conserve energy in this case?
May 1, 2017
question
0
How do I visualize the 'phases' of these two waves in this example?
May 2, 2017
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15
What is a subsequence in calculus?
10
What is melting? Which bonds do we break to melt something?
8
If $A$ is an $n$ by $n$ integer matrix such that $A^3 = I$, then $\operatorname{tr}(A) = n\mod3$
7
How to solve a system of linear equations modulo n?
7
Prove that $tr(A)^p = tr(A^p)\bmod p$ where $A$ is a square integer matrix and $p$ is a prime number.

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