Recent questions in Physics

+265 votes

0 answers

How are Planck units called natural if they still contain units in SI?

asked May 20, 2023 in Physics by fobos

+96 votes

0 answers

If light bends around corners, why can't we see what's around the corner? We can hear people talk around the corner.

asked May 20, 2023 in Physics by ChrisCC90

+126 votes

0 answers

What, in your opinion, is the hardest field of science besides physics and chemistry?

asked May 20, 2023 in Physics by CelestialCharm

0 votes

0 answers

A car is travelling at 54 km per hour. If brakes are applied to produce retardation of 5 metres per second squared, can you find the time taken by it to stop?

asked May 20, 2023 in Physics by diy_nixy

+20 votes

0 answers

Is there a limit to how fast spacecraft can travel?

asked May 20, 2023 in Physics by Twinhu

+7 votes

0 answers

Can Newton's law of universal gravitation be explained experimentally, using simple experiments at school level?

asked May 20, 2023 in Physics by hosepipe

+94 votes

0 answers

What if the moment of inertia is double the deflection?

asked May 20, 2023 in Physics by BikerChris

+19 votes

0 answers

What if infinite quantities are released at the same time? Will the whole universe vanish?

asked May 20, 2023 in Physics by imran_

+21 votes

0 answers

What is the meaning of anomalous behavior of water?

asked May 20, 2023 in Physics by Tasher87

+208 votes

0 answers

What was the motivation behind Noether's theorem about conservation laws?

asked May 20, 2023 in Physics by PeterT366

+8 votes

0 answers

The Lagrange of a charge particle moving in an electromagnetic field is given by L=1/2mv^2+q (V.A-phi). How do I derive an expression for the Hamiltonian and the corresponding Hamiltonian equation?

asked May 20, 2023 in Physics by AuroraSorceress

+15 votes

0 answers

How many seconds are in a year?

asked May 20, 2023 in Physics by mudhut

+9 votes

0 answers

What is the angular acceleration of an object that is accelerated from rest to 20,000 rotation per minute in five minutes?

asked May 20, 2023 in Physics by Rick Hughes

+17 votes

0 answers

A diesel train accelerates uniformly from rest to 70km/h for 30 seconds, continues at this speed for 60 seconds and decelerates uniformly to rest in 60 seconds. What is the total distance covered?

asked May 20, 2023 in Physics by Allun

+12 votes

0 answers

What are the theories of time? Do any of them say that time is infinite?

asked May 20, 2023 in Physics by CelestialCharm

+19 votes

0 answers

Is there a correlation between your top speed in m/s and your 100m time?

asked May 20, 2023 in Physics by tommy trowel

+7 votes

0 answers

Given a prone sniper within a very long rectangle-shaped hallway (w/ air vacuumed out), if one can adjust for optics & force (scope & gunpowder), why should the target’s Z-axis location impact accuracy; how does the point of perpendicularity shrink?

asked May 19, 2023 in Physics by Sl8r

+508 votes

0 answers

If the sun is a ball of gas why does it put out UVA and UVB rays?

asked May 19, 2023 in Physics by LunarPulse

+46 votes

0 answers

What are the differences between gravitational waves and other forms of radiation (light, radio waves, etc.) that might be produced when matter falls into a black hole?

asked May 19, 2023 in Physics by castlewallsPK

+125 votes

0 answers

What happens when an atom loses its valence electrons and gains one or more extra ones from another neutral atom, resulting in the formation of positively charged ions called 'cations'?

asked May 19, 2023 in Physics by decortyke

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