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Neil_UK's user avatar
Neil_UK's user avatar
Neil_UK
  • Member for 7 years, 11 months
  • Last seen this week
  • United Kingdom
18 votes

Why is momentum defined as mass times velocity?

8 votes

Does Newtonian mechanics work in polar coordinates?

6 votes

Why do we reduce only current to prevent power loss? Why not voltage?

6 votes

What is the cause and what is the effect in the Bernoulli effect?

5 votes

How do electrical devices limit the current flow from a socket?

2 votes

Why does energy conservation give me the wrong answer in this inelastic collision problem?

2 votes

Clarification of the concept "less resistance means less heating" in a wire

2 votes

Can the electric force lift heavy bodies?

1 vote

Is “imperfect black”, (anything other than a black hole or vacuum), actually a color?

1 vote

How long does the contact between a free-falling rigid sphere and the ground last in a perfectly elastic collision?

1 vote

Does it make sense to take an infinitesimal volume of shape other than a cube?

1 vote

Definition of a joule

0 votes

Is a battery always electrically neutral in the circuit? If so, why?

0 votes

Can someone provide a physical -- not mathematical -- intuition for the phase in a quantum wavefunction?

0 votes

What *exactly* is electrical current, voltage, and resistance?

0 votes

If a photon truly goes through both slits (at the same time), then why can't we detect it at both slits (at the same time)?

0 votes

Why do we assume, in dimensional analysis, that the remaining constant is dimensionless?

0 votes
Accepted

What's a reasonable difference in resistance between batteries in parallel?

0 votes
Accepted

What is the meaning of electric potential produced by multiple number of point charges

0 votes

What does it mean to say that "no work is done in moving a charge on an equipotential surface"?

0 votes

Why do electromagnetic waves have the magnetic and electric field intensities in the same phase?