Recent questions in Physics

+259 votes

0 answers

How many hours a day should I study?

asked May 14, 2022 in Physics by SereneFlare

+19 votes

0 answers

Can you give some examples where quantum theory contradicts our understanding of the classical world?

asked May 13, 2022 in Physics by AstralSeeker

+11 votes

0 answers

According to fluid dynamics, there is no friction between the fluid and the surface (no slip condition), so how are rocks polished into pebbles by the water flow?

asked May 13, 2022 in Physics by HEYHOLETSGO (3.0k points)

0 votes

0 answers

What is the total momentum before and after a head-on collision of two cars with equal mass if one car has no speed change, while the other experiences a decrease in speed?

asked May 13, 2022 in Physics by Colin Knott

+78 votes

0 answers

Does Elon musk have a physics degree?

asked May 13, 2022 in Physics by dunc

+110 votes

0 answers

Do molten radioisotope metals still emit radiation although it’s a liquid?

asked May 13, 2022 in Physics by anew spark

+26 votes

0 answers

How long is 1 million seconds in days, hours, minutes, and seconds?

asked May 12, 2022 in Physics by SeraphicAlchemy

+8 votes

0 answers

If you had the power of teleportation, what would you do with it?

asked May 12, 2022 in Physics by NebulaTwilight

+14 votes

0 answers

Why do airplanes fly so high?

asked May 12, 2022 in Physics by DanielRH

+71 votes

0 answers

If a car is moving and then suddenly stops, what happens to the objects inside the car?

asked May 12, 2022 in Physics by Jimmyhorns

+92 votes

0 answers

How fast can a Cybertruck go?

asked May 12, 2022 in Physics by graybags

+15 votes

0 answers

How do you calculate the volume of a cylinder using dimensional analysis?

asked May 12, 2022 in Physics by Thermo

+191 votes

0 answers

How do electrons not bump into each other when orbiting around the nucleus?

asked May 12, 2022 in Physics by picklads

+684 votes

0 answers

Is time travel possible? If so, can we ever reach a point where traveling through time becomes impossible because of how much energy would be required to travel into the past or future?

asked May 12, 2022 in Physics by AndyR28

+8 votes

0 answers

What are the best productivity hacks, tips, tools or resources for a project manager?

asked May 12, 2022 in Physics by Mick86

+46 votes

0 answers

Why is the divergence of magnetic fields zero? Shouldn't the magnetic field diverge at the poles of a magnet?

asked May 12, 2022 in Physics by NebulaPulse

+15 votes

0 answers

Why does a hydrogen atom have only one electron in its outer shell?

asked May 12, 2022 in Physics by JohnEng

+28 votes

0 answers

What is the correct procedure when flying a passenger plane, if a nuclear weapon is detonated nearby? Obvious issues that spring to mind are blindness, shock wave, loss of electronics and control of plane, and loss of contact with ground control.

asked May 12, 2022 in Physics by caughtattend

+5 votes

0 answers

What is produced by the proton-proton chain reaction in stars?

asked May 12, 2022 in Physics by spert44

+177 votes

0 answers

How fast are we travelling in the universe?

asked May 12, 2022 in Physics by BlazeOracle

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