Recent questions in Physics - Physicsgurus Q&A

+92 votes

0 answers

Don't we upset Newton's Laws of Motion if we weigh the same on all areas of a moving object going 67,000 mph [Earth]?

asked Apr 16, 2023 in Physics by anonymous

+66 votes

0 answers

How many alternative universes can exist due to time travel?

asked Apr 16, 2023 in Physics by Sid

+71 votes

0 answers

Which is better, ALLEN or physics wallah?

asked Apr 15, 2023 in Physics by UnicornPower693

+19 votes

0 answers

If a person carrying a negative static charge touches a person with a neutral charge, will the neutrally charged person receive a shock? Or does a person need to be positively charged in order to receive the shock from the negatively charged person?

asked Apr 15, 2023 in Physics by EmberOracle

+15 votes

0 answers

Is there such a thing as unequal matter-antimatter annihilation? Could a positron impact a proton, and if so, what would the resulting particles be?

asked Apr 15, 2023 in Physics by Nadine Vail

+73 votes

0 answers

What is the formula for calculating the head loss due to friction in an open channel flow?

asked Apr 15, 2023 in Physics by gloveswrestler (2.4k points)

+3 votes

0 answers

How does weight affect falling objects? Why would something like heavier rocks or feathers have more of an effect on this than lighter things like paper or leaves?

asked Apr 15, 2023 in Physics by CrystalTwilight

+6 votes

0 answers

Could bending spacetime provide a way to travel through time?

asked Apr 15, 2023 in Physics by BaldyAl

+185 votes

0 answers

What is space-time made up of? What is the fabric of space time?

asked Apr 15, 2023 in Physics by Trureds

+27 votes

0 answers

What is the Einstein Tensor? What is the Ricci tensor?

asked Apr 15, 2023 in Physics by polly222

+4 votes

0 answers

A wheel rotates with an initial angle of 0.45 radians and a final angle of0.75 radians in a time of 2.0 s. What is the wheel's angular velocity?

asked Apr 15, 2023 in Physics by 2mths

+27 votes

0 answers

Is it true, in the field of mathematical modeling, that the world should model an energy system, as mass can be represented in terms of energy if E=mc^2?

asked Apr 15, 2023 in Physics by Nikadonix

+168 votes

0 answers

How do you calculate the centripetal of the Earth towards the Sun r 1•5×11m?

asked Apr 15, 2023 in Physics by StellarHarmony

+305 votes

0 answers

Why does sound travel in all directions instead of a straight line? Do particles vibrate in all direction once when a sound is created?

asked Apr 15, 2023 in Physics by Sempo Vigilo

+24 votes

0 answers

Are all the carbon atoms in a diamond covalently bonded to 4 other carbon atoms? If so, if we cut a diamond into half, will those carbon atoms at the cut surface also have 4 covalent bonds?

asked Apr 15, 2023 in Physics by max81

+5 votes

0 answers

The dimension of time is usually at this time taught as a dimension that travels in one direction, but what if the dimension time travels in two directions, forward waves, or oxidation, and backward, or reduction waves?

asked Apr 15, 2023 in Physics by chapmansean

+21 votes

0 answers

We know that dark energy appears to be evenly distributed throughout the universe. Do we know the "density" of this energy? How much dark energy do we have per km^3?

asked Apr 15, 2023 in Physics by TryAnything

+26 votes

0 answers

If light is a wave, why does it not bend in a vacuum?

asked Apr 15, 2023 in Physics by bond007

+4 votes

0 answers

Does sound have measurable mass and does human thought have measurable mass?

asked Apr 15, 2023 in Physics by Pancake

+3 votes

0 answers

What other natural phenomena share similar characteristics with rogue waves, and how do they compare in terms of danger and unpredictability?

asked Apr 15, 2023 in Physics by MysticHarmony