Recent questions in Physics

+62 votes

0 answers

A drummer plays a note with a frequency of 85 Hz. What is the wavelength of this sound wave in air (speed of sound in air =340 m s–1)?

asked Mar 12, 2023 in Physics by Philt2012

+8 votes

0 answers

You’ve bailed out of a burning airplane at 20,000 feet with no parachute. Fortunately, you at least know how to steer yourself through the air as you fall, so you can aim for a place to land. Where would you crash and why?

asked Mar 11, 2023 in Physics by grubber

+57 votes

0 answers

How can angular momentum be considered a characteristic of a black hole since a black hole exists entirely within the event horizon and is therefore beyond our ability to observe?

asked Mar 11, 2023 in Physics by Tan M

+98 votes

0 answers

Quantum physics says that merely observing an object changes it. Does a first observation maintain any effect or control over how later observations affect the object? Do multiple observations of the same object result in an “average” change?

asked Mar 11, 2023 in Physics by StellarEnigma

+145 votes

0 answers

What evidence supports the conjecture that nothing exists beyond our universe? Is it only the absence of evidence for something existing beyond our Universe?

asked Mar 11, 2023 in Physics by FatHands (3.5k points)

+258 votes

0 answers

Is it possible that everything is made of information?

asked Mar 11, 2023 in Physics by spongeblob

+229 votes

0 answers

How do you stop absorbing a narcissist’s negative energy?

asked Mar 11, 2023 in Physics by Gaulirmorn

+1 vote

0 answers

How fast does the Earth move in its orbit around the Sun?

asked Mar 11, 2023 in Physics by Orlaith

+160 votes

0 answers

How many kg is in 1 quintal?

asked Mar 11, 2023 in Physics by wetneck

+221 votes

0 answers

Does the Big Bang theory prove what happens after we die?

asked Mar 11, 2023 in Physics by JamieFarmer

+5 votes

0 answers

How did the big bang create particles and atoms?

asked Mar 11, 2023 in Physics by EmberSeeker

+8 votes

0 answers

If you increase the diameter of the Earth but keep its mass the same, the surface gravity will be lower. Why?

asked Mar 11, 2023 in Physics by okocala

+2 votes

0 answers

How do you draw the magnetic field pattern of two parallel conductors carrying a current of 2A, each flowing in opposite directions? What are any forces that may be there?

asked Mar 11, 2023 in Physics by Dr Bodgit

+12 votes

0 answers

Can the motion be both variable or uniform when radial acceleration is zero and tangential is non-zero?

asked Mar 11, 2023 in Physics by Jason1212121

+9 votes

0 answers

What is electricity? And why is the flow of electrons called electric current and what is static electricity in atomic level.

asked Mar 11, 2023 in Physics by PhoenixScribe

+19 votes

0 answers

What does it mean that data indicates flat universe with error of 0.4%? Does 0.4% mean that there is 0.4% chance the universe isn't really flat?

asked Mar 10, 2023 in Physics by Mr Perfect

+2 votes

0 answers

What is missing in the theory of relativity that makes it confused?

asked Mar 10, 2023 in Physics by jimdad07

+218 votes

0 answers

How do you calculate the acceleration due to gravity at Earth’s surface using Newton’s second law of motion if only force is known?

asked Mar 10, 2023 in Physics by LeakeFixer

+13 votes

0 answers

Which solid material would float on water, sustainable and cheap?

asked Mar 10, 2023 in Physics by KingOfTheWorld1stOrd

+56 votes

0 answers

How does energy comes in our food?

asked Mar 10, 2023 in Physics by erus

Page:

« prev
1
...
26
27
28
29
30
31
32
...
107
next »

Recent questions in Physics

...