Recent questions in Physics

+7 votes

0 answers

What is time? Does time really exist? Does time flow at different speeds? Can we have time travel?

asked Apr 19, 2022 in Physics by Sl8r

+326 votes

0 answers

1. A weight lifter lifts a 350-N set of weights from ground level to a position over his head, a vertical distance of 2.00 m. How much work does the weight lifter do, assuming he moves the weights at constant speed?

asked Apr 18, 2022 in Physics by j.k

+66 votes

0 answers

If time and space are interwoven, could they be teased apart? And, what would happen if they were? And, what if we proceded carefully and just gave time a tug; what could happen then even if it is only theoretical?

asked Apr 18, 2022 in Physics by MystiqueHaven

+120 votes

0 answers

What HS science course should I take that would possibly benefit me for becoming a future SEAL? The courses are physics, geosystems, chemistry, environmental systems, biology, and oceanography.

asked Apr 18, 2022 in Physics by bigbadleo

+3 votes

0 answers

If the Earth is a spinning ball, why don't we experience a constant sensation of motion or detect any measurable centrifugal forces?

asked Apr 18, 2022 in Physics by NebulaCharm

+24 votes

0 answers

Anam covers a distance of 400 meters in 2 minutes. Iqbal can cover 1 kilometer in 300 seconds. What is the ratio of their speed?

asked Apr 17, 2022 in Physics by ZephyrMystic

+9 votes

0 answers

What is the pressure drop of a mixture when we use a water filter? Do I need to complete energy balance for this process?

asked Apr 17, 2022 in Physics by BaldyAl

+26 votes

0 answers

Is Rupert’s drop stronger than Diamond?

asked Apr 17, 2022 in Physics by Rob_bv

+7 votes

0 answers

What is the evidence that space is empty and not filled with something called ether or some other substance? When were the last experiments conducted to prove it?

asked Apr 17, 2022 in Physics by michael862

+8 votes

0 answers

What is the probability of an electron and its anti-particle, a positron, meeting?

asked Apr 17, 2022 in Physics by Nidger#1

+307 votes

0 answers

Can you name some unbelievable facts in physics that are actually true?

asked Apr 17, 2022 in Physics by Starwars1

+100 votes

0 answers

Is time definable?

asked Apr 17, 2022 in Physics by 2shortplanks

+298 votes

0 answers

Is the gravitational force exerted by earth on the moon the same as that exerted by the moon on earth?

asked Apr 17, 2022 in Physics by NovaMystic

+10 votes

0 answers

What happens if the electricity at the power plant goes out?

asked Apr 17, 2022 in Physics by Spooner

+27 votes

0 answers

If the gauge pressure of sprinkler riser pipe is 80 psi at the roof deck on a high rise building with a height of 100 meters, what will be the gauge pressure at the ground floor?

asked Apr 17, 2022 in Physics by Garry Keron

+20 votes

0 answers

What are the differences between radiation and heat?

asked Apr 16, 2022 in Physics by CelestialTwilight

+2 votes

0 answers

How do you prove either predeterminism or free will?

asked Apr 16, 2022 in Physics by kram2803

+24 votes

0 answers

What is an example of an infinite amplitude in physics?

asked Apr 16, 2022 in Physics by Fuzzy-Felt Bloke

+172 votes

0 answers

If an angle is greater than 180 degrees but less than 360 degrees, what is it called?

asked Apr 16, 2022 in Physics by Soup Dragon

+172 votes

0 answers

How fast does the Earth rotate per second?

asked Apr 16, 2022 in Physics by Arj2008

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