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Carl
  • Member for 3 years, 9 months
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3 votes
1 answer
589 views

Derive formula for air resistance $F = \frac{1}{2}CAdv^2$ through dimensional analysis

3 votes
2 answers
291 views

Why is this electromagnetic field a wave?

2 votes
1 answer
202 views

Sketch a B-H hysteresis curve of permanent magnet

1 vote
2 answers
142 views

Why does the $\mathbf{B}$-field of a cylindrical magnet have no $\phi$-component

1 vote
2 answers
95 views

Polarization surface charge density on spherical surface - electromagnetics

1 vote
2 answers
197 views

Under what condition is an electrostatic field both solenoidal and irrotational?

0 votes
2 answers
261 views

Initial acceleration concerning free fall

0 votes
1 answer
91 views

Difference between pulling from center of mass, and from the top of a wheel

0 votes
4 answers
66 views

Homework: Acceleration and momentum

0 votes
1 answer
58 views

Behavior of $r$-component of a $\mathbf{B}$-field inside cylindrical magnet

0 votes
1 answer
50 views

Which expression represents a plane wave propagating in free space? [closed]

0 votes
2 answers
92 views

Determine the electric field in the region enclosed by a spherical conductor and the surface charge density

0 votes
2 answers
194 views

Why do two similar objects not hit the ground at different times?

0 votes
1 answer
273 views

What is the $\mathbf{H}$-field inside and outside the magnet?

-1 votes
1 answer
134 views

Electromagnetics - how to choose a proper normal vector? [closed]

-1 votes
5 answers
145 views

Find the normal force on beam in asymmetrical scenario [closed]