Skip to main content
Physics
Dale's user avatar
Dale's user avatar
Dale's user avatar
Dale
  • Member for 5 years, 10 months
  • Last seen this week
  • USA, NC
Profile Activity

2,336 Answers

Score Activity Newest
156 votes

In the twin paradox does the returning twin also come back permanently length contracted flatter than the twin on Earth?

101 votes
Accepted

General relativity (and other theories) when proven wrong

91 votes
Accepted

In substances where light is slowed down, is its momentum lessened and if so, how does it speed up again when emerging from that substance?

85 votes
Accepted

How can an object absorb so many wavelengths, if their energies must match an energy level transition of an electron?

83 votes
Accepted

A Rainbow Paradox

82 votes

Force of photons from the Sun hitting a football field = weight of 1 dime?

69 votes
Accepted

Is there any known thing or physical object that absolutely cannot be destroyed?

66 votes

What would a standing wave of light look like?

59 votes
Accepted

Why should water fall down from an upside down glass of water?

56 votes

If microwave ovens run at 2.4 GHz, what is the long-term effect on living tissue of exposure to this frequency, but with a thousand times less energy?

53 votes

Is angular momentum just a convenience?

52 votes
Accepted

If space and time are parts of the same unified idea, then why is the definition of force biased towards time?

52 votes

Is the weight of the aircraft flying in the sky transferred to the ground?

51 votes
Accepted

What will happen to a ball kept on a frictionless inclined plane?

51 votes

Will the volt, ampere, ohm or other electrical units change on May 20th, 2019?

50 votes

Why does work depend on distance?

49 votes

Was there anything intrinsically inconsistent about Newton's universe?

47 votes
Accepted

Why is the work done by a rocket engine greater at higher speeds?

44 votes

Why don't we get a shock touching neutral wire?

43 votes
Accepted

If the tidal bulge on the earth speeds the moon up, how does the moon move to a higher orbit?

43 votes

Is no acceleration a cause or consequence of no net force?

43 votes
Accepted

If a neutron decays to proton + electron, and a proton can decay into neutron + positron, doesn't this mean neutron = neutron + electron + positron?

42 votes
Accepted

Can One-Way Speed of Light be Instantaneous?

42 votes

Simulating solar system with Newton's law

41 votes
Accepted

Can a fluid approach the speed of light according to the equation of continuity?

40 votes
Accepted

How is it possible for the same force to do different amounts of work in two different inertial frames?

40 votes

Velocity is relative, which means acceleration is relative, which further implies that forces are relative as well

39 votes
Accepted

Why do we feel weightlessness in water but not on land?

38 votes
Accepted

Line of Best Fit with or Without Constant Term

38 votes
Accepted

If black holes are just empty vacuum of space inside, then what causes the curvature?

1
2 3 4 5
…
78