Recent questions in Physics

+62 votes

0 answers

How is electricity obtained in trains?

asked Mar 17, 2023 in Physics by Aneet13

+430 votes

0 answers

What is the difference between nuclear reactions and the process of matter transformation in stars?

asked Mar 17, 2023 in Physics by Cocorita

+612 votes

0 answers

Why is the calculated potential energy (MGH) not equal to the calculated kinetic energy (1/2mv^2) while the law of conservation of energy states that energy after=energy before?

asked Mar 17, 2023 in Physics by somewhatjosh

+9 votes

0 answers

How do we calculate the minimum amount of work required to produce a given amount of kinetic energy in motion?

asked Mar 17, 2023 in Physics by Matthew78

+90 votes

0 answers

Why do all types of electromagnetic waves move with a constant speed c (c = 299792458 m/s)?

asked Mar 17, 2023 in Physics by Dunaldo70

+24 votes

0 answers

Is the universe really 15 billions years old?

asked Mar 17, 2023 in Physics by cottonvalid

+192 votes

0 answers

How would you explain the present moment in physics?

asked Mar 17, 2023 in Physics by LuminousDreamer

+20 votes

0 answers

What is the largest man-made object?

asked Mar 17, 2023 in Physics by pod

+218 votes

0 answers

Can entanglement affect the transfer of quantum bits (qubits)? If so, how?

asked Mar 17, 2023 in Physics by Hondanation

+20 votes

0 answers

How big is the non-observable universe?

asked Mar 17, 2023 in Physics by Nadine Vail

+21 votes

0 answers

Does dark matter have mass?

asked Mar 17, 2023 in Physics by jeff williams

+81 votes

0 answers

What does it mean if one says that a function u(t) has a weak singularity at t=0? And what is the difference between singularity and weak singularity?

asked Mar 17, 2023 in Physics by MariaW15

+4 votes

0 answers

What would it look like to watch a human pass through the 4th dimension?

asked Mar 17, 2023 in Physics by somewhatjosh

+13 votes

0 answers

What is the largest object in the universe?

asked Mar 16, 2023 in Physics by MysticHarmony

+26 votes

0 answers

What simple device was built to demonstrate the rotation of the Earth?

asked Mar 16, 2023 in Physics by QuantumFlare

+17 votes

0 answers

Is there anything smaller than a yoctometer (ym)?

asked Mar 16, 2023 in Physics by lilypadswift

+15 votes

0 answers

Has any research been conducted on the possibility of humans discovering the secret of traveling through space-time?

asked Mar 16, 2023 in Physics by SimonJeffreson

+24 votes

0 answers

How do you calculate the time and distance of a projectile motion?

asked Mar 16, 2023 in Physics by John Liu

+72 votes

0 answers

Is the universe expanding day by day?

asked Mar 16, 2023 in Physics by Paulp1

+20 votes

0 answers

What is the space time continuum and how does it represent space and time?

asked Mar 16, 2023 in Physics by fug646

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