Physics
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Solomon Slow
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348 Answers

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1 vote

Is it possible to go faster than the speed of light in vacuum?

1 vote

Can vinyl LPs store audio above 20kHz and can it be played back?

1 vote
Accepted

Could a civilisation contact us by laser from 50 light years away?

1 vote

What is a center of gravity?

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Very elementary question about Newton's third law

1 vote

Why does incline on treadmill burn calories faster?

1 vote

How could I measure the colour spectrum of a light bulb and investigate how closely it matches a black body radiation curve?

1 vote

Can I use 3 LEDs with R, G and B color to illuminate the scene to obtain better color reproduction?

1 vote

Is light visible?

1 vote

A ball that is on the floor of a bus decelerates as the bus moves forward, Newton's 1st law?

1 vote
Accepted

LED flashlight Lens / Reflector Choice for Collimation (Large throw)

1 vote
Accepted

Total output power of a laser

1 vote

What does special relativity say about the apparent versus real length contraction in regards to a large body such as Earth?

1 vote

Kinematics: One dimensional motion

1 vote
Accepted

Rays and lenses in a viewfinder

1 vote

Why do electromagnets consume energy? If they do, aren't permanent magnets free energy?

1 vote
Accepted

What does it mean for velocity to be a derivative of position, if position a point, not a function?

1 vote
Accepted

Would "buoyancy" / lift power increase if you compressed helium or hydrogen towards 1/infinity?

1 vote

Closed tube Mercury Barometer cancels pressure of air above the tube?

1 vote
Accepted

What's the physical link between Volts and Amperes?

1 vote
Accepted

Does polychromatic light fallows different laws of physics then monochromatic light?

1 vote

How current is produced in photoelectric cell?

1 vote

Exceeding the speed of light by means of a shadow, will we ever be able to transmit information faster than light?

1 vote

In which direction does tension act in a string connecting two different masses and why?

1 vote

Centripetal force thought experiment

1 vote
Accepted

Why must all natural processes be irreversible?

1 vote

Is coldness a form of energy? If it is then is there any source of it?

1 vote

Is motion really relative?

1 vote

Difference between vowels

1 vote

How do we properly define a coordinate system, in particular its relation to vector spaces?

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