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lsusr
  • Member for 7 years, 3 months
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25 votes

If absolute velocity does not exist, how can we say a rocket accelerates in empty space?

8 votes
Accepted

With drag, why does it take longer for an object thrown upwards to fall back down than it does for it to reach its highest point?

6 votes

Searl effect: myth or reality?

4 votes

Does everything have frequency?

2 votes

What opposes a smooth motion of a rubber eraser on a glass surface?

2 votes
Accepted

What remains the same: voltage, current or resistance?

2 votes

Can we see a point with only one ray or do we need two rays?

2 votes
Accepted

Normal contact force with a light string

2 votes

Cheap classroom demonstrations of quantum mechanics

1 vote

Can moving charges be influenced by its own magnetic field?

1 vote

Why doesn't shell theorem work here?

1 vote
Accepted

Why do popcorns sizzle after popping?

1 vote

Mass required to accelerate to relativistic speed

1 vote

How can we prove that light is an Electromagnetic wave?

1 vote

A peg moving on a ring

1 vote

Newton's Laws of Motion - Two spheres in a cup

0 votes
Accepted

Upthrust constant with depth

0 votes

Potential lowering effect on a positively-charged plate

0 votes
Accepted

Physical example of line charge

0 votes

Dependence of a pendulum's period on temperature

0 votes

Can we charge an object using cathode rays?

0 votes

How does conservation of momentum work here?

0 votes

Length and velocity of a pulse of particles

0 votes
Accepted

How does the mass distribution and center of gravity affect the speed of a lego car down a ramp?

0 votes
Accepted

Conductive sphere surrounded by conductive shell kept at constant potential

0 votes

How does the inverse-square law work?

0 votes

Non-composable entropies