Dries's user avatar
Dries's user avatar
Dries's user avatar
Dries
  • Member for 7 years, 5 months
  • Last seen more than a week ago
11 votes
Accepted

Why do electric field lines start and end at 90 degree at the surface of a conductor?

9 votes

How to measure the wavelength of a laser pointer?

8 votes

Why is it said that standing waves do not transfer energy?

7 votes

Where are the poles in a magnetic field generated by a current carrying straight conductor?

6 votes

How can radiation be a transverse wave? Does light really resemble a rope? How can a 3D field be a medium for non-spatial 1D waves? Need mental model

5 votes

Why does mechanical energy have to equal zero to find escape velocity?

3 votes
Accepted

Can electric field lines "sometimes" pass through conductors' surfaces?

3 votes

Why do ten-pin bowlers prefer heavier bowling balls?

2 votes
Accepted

Why is differential work given as $dW=\vec{F}\cdot d\vec{r}$?

2 votes

How is a human voice unique?

2 votes
Accepted

Why the electric potential energy the charges carry in a electric circuit does not vary with its distance to the opposite terminal?

2 votes
Accepted

Definition for potential energy

1 vote

in Newtons 3rd law, where does the second body get its energy to react?

1 vote

Why can't a magnet change a charged particle's speed?

1 vote

Why, microscopically, is the voltage drop across a resistor affected by the current through it?

1 vote
Accepted

Coin rolling, but not sliding. Kinetic energy

1 vote

Why, when and where is Gauss's law applicable?

1 vote

Is this thought regarding work and potential energy correct?

1 vote

Resultant forces

1 vote
Accepted

I don't understand something about battery voltage

1 vote

How can net force equal to friction?

0 votes
Accepted

Angle in a triangle

0 votes

What provides the centripetal force?

0 votes

Propagation of error derivation when dealing with multiple rules

0 votes

Equipotential surface paradox

0 votes
Accepted

How can amplitudes be treated as vectors in Simple Harmonic motion?

0 votes

Why does the charge on the outer surface cancel the external field inside a conductor having a cavity filled with certain charge?

0 votes

Why do two ends of a long conducting wire have the same electric potential?

0 votes

If the electrostatic potential is zero, why doesn't the electric field have to be zero?

0 votes

Angular acceleration - radial & tangential