Recent questions in Physics

+258 votes

0 answers

What is the "simple definition" of time according to Einstein?

asked Jun 14, 2022 in Physics by keckle fixer

+25 votes

0 answers

Can anything violate or break down the Second Law Of Thermodynamics? If yes, then how can it be explained scientifically with an example?

asked Jun 14, 2022 in Physics by Dartboard

+250 votes

0 answers

Could the big bang theory be proof that the universe was created by a superior intelligent conscious designer? Is it not possible that random quantum fluctuations are just musing thought patterns of the creator? Can you prove me wrong?

asked Jun 14, 2022 in Physics by Robtheplumb

+2 votes

0 answers

With an initial velocity of 7200 m/s, does a car accelerate m/S² for 10 seconds?

asked Jun 14, 2022 in Physics by ChloeMartin

+14 votes

0 answers

Let's say you are pushing a 100 N box across the floor with a force of 20 N. If the box is moving at a constant velocity and maintains constant contact with the floor, what must the normal force be?

asked Jun 14, 2022 in Physics by mawneyman

+120 votes

0 answers

How do you calculate the mass of a sphere?

asked Jun 13, 2022 in Physics by imran_

+112 votes

0 answers

Is there anything (matter, time, space..) that can exist without consciousness to observe?

asked Jun 13, 2022 in Physics by StellarMystic

+15 votes

0 answers

Why is it that the weight of a body of certain mass becomes zero in space?

asked Jun 13, 2022 in Physics by ???®?©?€

+78 votes

0 answers

Can you define each structure of the physics equation that applies to all of it?

asked Jun 13, 2022 in Physics by zebra

+12 votes

0 answers

What is the angle between a vector I+j+land b-2I-2j-2k?

asked Jun 13, 2022 in Physics by zedhead

+58 votes

0 answers

What is an active black hole?

asked Jun 13, 2022 in Physics by LRM

+282 votes

0 answers

If the universe is expanding, what is outside the universe? If it's nothing, how come we say that the Universe is expanding when there is nothing to expand into?

asked Jun 13, 2022 in Physics by pal123

+82 votes

0 answers

How much force is needed for air compression?

asked Jun 13, 2022 in Physics by CelestialScribe

+198 votes

0 answers

If we removed gravity from the equation, how long would it take for an object to fall into the Sun (distance & mass)?

asked Jun 13, 2022 in Physics by AstralSeeker

+21 votes

0 answers

What would happen if someone tried to go through an infinity dimensional object? Would they hit anything inside it?

asked Jun 13, 2022 in Physics by tbc2006

+79 votes

0 answers

How can the universe expand faster than light in vacuum if nothing can be faster than the speed of light, according to Einstein?

asked Jun 12, 2022 in Physics by organizeastonished

+18 votes

0 answers

How long would it take for light to fly around the earth?

asked Jun 12, 2022 in Physics by MysticVerse

+6 votes

0 answers

Is the passage of time not just the increase of spacetime in an expanding universe?

asked Jun 12, 2022 in Physics by GoodwithWood

+24 votes

0 answers

Are the effects of relativity (relativity of the concept of simultaneity, time dilation, length contraction) related to vision, the time it takes from the point of origin of light to reach our eyes, or are they "real" effects?

asked Jun 12, 2022 in Physics by Paul_M

+15 votes

0 answers

If I had a chamber of perfect vacuum in my room, and I released a single atom of a gas inside, would it just drop to the ground?

asked Jun 12, 2022 in Physics by breathlesswould (3.1k points)

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