Recent questions in Physics

+17 votes

0 answers

What is the difference between land mass and sea mass?

asked Apr 19, 2023 in Physics by mealychangeable

+14 votes

0 answers

I still don’t understand black holes. Are they packed with mass inside or nothing? Illustrations always made me think of a giant funnel.

asked Apr 19, 2023 in Physics by Prentle

+150 votes

0 answers

What would happen if a human being touched dark matter?

asked Apr 19, 2023 in Physics by Dan Clifton

+18 votes

0 answers

How do you calculate kinetic energy if mass is missing?

asked Apr 19, 2023 in Physics by clooney clone

+23 votes

0 answers

How do things explode? I know it is the rapid expansion of gas, but what causes it to happen most of the time?

asked Apr 19, 2023 in Physics by seen it all before

+24 votes

0 answers

Isn't wave and tidal movement in lakes and oceans perpetual motion? And why isn't more money being invested to use it to its greatest potential as a power source?

asked Apr 19, 2023 in Physics by tricky13

+3 votes

0 answers

It is said that a lightning bolt reaches a temperature of 50,000 degrees. Hotter than the surface of the sun, yet people have been struck by lightning and survived. How is that possible?

asked Apr 19, 2023 in Physics by EmberPulse

+78 votes

0 answers

What is the definition of an object in outer space which will remain stationary for ever without any movement? If such an object exists, why does it remain stationary for ever and how does it do so (without any force acting on it)?

asked Apr 19, 2023 in Physics by Chunkomunko

+4 votes

0 answers

If you are standing on Earth's surface and looking straight up into space, can you see Earth's curve?

asked Apr 19, 2023 in Physics by StellarFlare

+15 votes

0 answers

If EMF is defined for a close path in an induced electric field, then why is it not possible to define potential energy for a magnetic field in a close paths?

asked Apr 19, 2023 in Physics by GasKate

+25 votes

0 answers

Is mass equivalent to energy?

asked Apr 19, 2023 in Physics by Sempo Vigilo

+201 votes

0 answers

Is Vy and Uy in projectile motion the same?

asked Apr 19, 2023 in Physics by im a martian

+75 votes

0 answers

Is there anyone familiar with electromagnetic fields and waves for a biomedicine course? I want help for my exam.

asked Apr 19, 2023 in Physics by JosephS

+200 votes

0 answers

What is the difference between gravity and acceleration?

asked Apr 19, 2023 in Physics by jonboy48

+27 votes

0 answers

If an object has a large enough mass, can it have its own gravity?

asked Apr 19, 2023 in Physics by philthespark

+321 votes

0 answers

Why do we use constant in the physics equation?

asked Apr 19, 2023 in Physics by DIYLady

+15 votes

0 answers

How can something exist without any dimension?

asked Apr 19, 2023 in Physics by MysticOracle

+276 votes

0 answers

A train travels 300 km from x to y at an average speed of 100 km per hour. At what speed did it travel from the way back if its average speed for the whole trip was 120 km per hours?

asked Apr 18, 2023 in Physics by RadiantAlchemy

+163 votes

0 answers

Can we use antiprotons and positrons in particle accelerators like electrons and protons?

asked Apr 18, 2023 in Physics by QuantumNomad

+11 votes

0 answers

What is the difference between the theory of general relativity and quantum field theory? Which one has more experimental evidence?

asked Apr 18, 2023 in Physics by Just checking!

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