Recent questions in Physics

+244 votes

0 answers

What is the nature of time and space, and can they be understood in a unified framework?

asked May 16, 2023 in Physics by ccasement

+3 votes

0 answers

A car of mass 1000 kg moving with 25 MS-1 collides straight with the stationary truck of mass 1500 kg, and start moving together. What is the velocity of the truck?

asked May 16, 2023 in Physics by Pallassscat

+16 votes

0 answers

Can you give a real life example where we can see how an object’s position and momentum can be uncertain at the same time, as explained by Heisenberg’s uncertainty principle?

asked May 16, 2023 in Physics by LuminousHorizon

+37 votes

0 answers

Is the syllabus for A level and MDCAT the same in Pakistan if I opt for Physics, Biology, and Chemistry in A levels?

asked May 16, 2023 in Physics by Conor333

+9 votes

0 answers

Is modern estimations of stars and planets distances correct if we consider that there are different space-time curvatures between earth and the object measured? Wouldn't that cause some inaccuracy to estimation?

asked May 16, 2023 in Physics by Tembo11

+313 votes

0 answers

To escape the Earth, it is not necessary to have escape velocity, just need enough acceleration. Why is it not working with a black hole?

asked May 16, 2023 in Physics by Goldenduck

+104 votes

0 answers

Why is it easier to stir a spoon in a cup of coffee than in a cup of water?

asked May 16, 2023 in Physics by twelvemovie

+22 votes

0 answers

What is the momentum of the gun and velocity of a recoilling gun, if a 10g bullet accelerates to 400m/s after being fired from a gun with mass 2.0kg?

asked May 16, 2023 in Physics by chull

+221 votes

0 answers

How far can a bullet travel underwater if fired from above the surface?

asked May 16, 2023 in Physics by Captain Howdy

+26 votes

0 answers

Can you explain how to calculate the radius of an electron shell from its number and subshells for each element, starting from hydrogen to gold (Au)?

asked May 15, 2023 in Physics by Captain Leaky

+20 votes

0 answers

Why can't we use electromagnets to create perpetual motion electricity generators?

asked May 15, 2023 in Physics by carly1979

+114 votes

0 answers

How does the inclusion of reflective materials impact the visibility of a motorcycle rider?

asked May 15, 2023 in Physics by bungle bear

+12 votes

0 answers

What happens if you put two lenses after each other and try to create a converging lens out of them (laser beams, optics)?

asked May 15, 2023 in Physics by Ansel

+20 votes

0 answers

How is it possible that stars can go nova and die if their light is in theory constant?

asked May 15, 2023 in Physics by miss pickle

+14 votes

0 answers

A sphere consisting of a rigid structure is at the bottom of a pool of water. does the rigid structure of the sphere prevent the water from exerting its pressure on the air inside the sphere?

asked May 15, 2023 in Physics by RB2

+109 votes

0 answers

Is time travel possible? And if so how would the people or animals that have been dead be alive when you go back in time?

asked May 15, 2023 in Physics by breathlesswould (3.1k points)

+201 votes

0 answers

How does electricity move through a closed loop path?

asked May 15, 2023 in Physics by Mick86

+9 votes

0 answers

If time has a minimum duration called a planck unit (1 x 10-44 seconds), how can information progress from one unit of time to the next without overlapping itself?

asked May 15, 2023 in Physics by MOONSHINE

+21 votes

0 answers

Is Jupiter wrapping spacetime?

asked May 15, 2023 in Physics by mozart

+20 votes

0 answers

What is the dimension of time? How does it exist without an observer?

asked May 15, 2023 in Physics by Always learning (2.1k points)

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