Recent questions in Physics

+9 votes

0 answers

Is it possible to see something that's traveling faster than the speed of light from Earth without waiting for it to get here first?

asked Jan 11, 2023 in Physics by AstralAlchemy

+21 votes

0 answers

What would happen to your projectile if you shot it out of a Canon at different angles (other than vertical)? Would its speed change? Where would it land on the ground?

asked Jan 11, 2023 in Physics by Vin

+20 votes

0 answers

How hard do you have to hit a windshield to break it?

asked Jan 11, 2023 in Physics by lagardie

+14 votes

0 answers

Do airplanes attract and get struck by lightning like a lightning rod? Why or why not? What happens when/if they do?

asked Jan 11, 2023 in Physics by jabberwock95

+172 votes

0 answers

If the universe is expanding I would expect the density of the far distant parts of the universe to be greater than the nearby parts of the universe. Are they?

asked Jan 11, 2023 in Physics by PeteAx

+26 votes

0 answers

A ball is projected horizontally from the top of a cliff on the surface of earth with speed 40 m/s. Assume that there is no air resistance, what will its speed be 3s later?

asked Jan 11, 2023 in Physics by mainman

+26 votes

0 answers

What is the likelihood of an elevator crashing down?

asked Jan 11, 2023 in Physics by JamesD12

+23 votes

0 answers

If the Earth is a globe, why don't we observe a noticeable change in the angle of the Sun's rays as we travel north or south?

asked Jan 11, 2023 in Physics by Bluedanw1975

+10 votes

0 answers

Have you ever momentarily slipped into another dimension or time? My grandfather said he once saw an entire city street suddenly revert back to the 1800s. Has something like this happened to you?

asked Jan 11, 2023 in Physics by spongeblob

+292 votes

0 answers

As the Earth rotates, do objects on the Earth’s surface experience a downward centripetal force (as the direction of motion is circular)? If so, isn't the normal reaction force, N = W (weight) + centripetal force (C)?

asked Jan 11, 2023 in Physics by C J ord

+8 votes

0 answers

Can Quantum Physics be used to explain reality and existence? If so, what are some examples?

asked Jan 11, 2023 in Physics by spongeblob

+9 votes

0 answers

What is the easiest way to tackle heat capacity questions in physics grade 12?

asked Jan 11, 2023 in Physics by Drewton

+24 votes

0 answers

A particle starting from rest moves with an acceleration of 1.5ms². What is its velocity after 10 seconds and the distance covered in 10 seconds?

asked Jan 11, 2023 in Physics by kurbads

0 votes

0 answers

Of the four main forces acting on aircraft, what are the ones that are reduced by high density altitude flying conditions?

asked Jan 11, 2023 in Physics by Peterdevon

+43 votes

0 answers

How do you calculate total energy?

asked Jan 11, 2023 in Physics by LuminousDreamer

+47 votes

0 answers

How do I find a wormhole on Earth?

asked Jan 11, 2023 in Physics by swede (3.1k points)

+79 votes

0 answers

Can something be considered truly "physical" if its behavior cannot be predicted due to quantum effects/entanglement with other objects?

asked Jan 11, 2023 in Physics by rightclickfix

+22 votes

0 answers

What is the Poynting vector and how is it used to find energy?

asked Jan 11, 2023 in Physics by RadiantNova

+307 votes

0 answers

What is the magnitude of the forces if the resultant of two forces acting at a point making an angle of 60° is root 13 N.when the two forces act at right angle to each other, the resultant is root 10 N?

asked Jan 11, 2023 in Physics by mr bodgit

+9 votes

0 answers

Why does the car shake when it stops at a traffic light?

asked Jan 11, 2023 in Physics by widespreadwindbound

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