I made this for my thesis to demonstrate how phase and group velocity differ, but I can't exactly put an animation onto paper. How can I show this concept in a diagram?10yr ⋅ tyy365 ⋅ r/AskPhysics
I keep getting 3/5 MR^2 for the moment of inertia of a sphere, even with different methods. What am I doing wrong?10yr ⋅ Vagitron3000 ⋅ r/AskPhysics
If I were to make light similar to this, would you want the counterweight to be the exact weight as the light?10yr ⋅ clay_ton ⋅ r/AskPhysics
I need to measure the weight of a big heavy tire, so I've drawn this sketch to illustrate my approach. Can you help me write the equation to solve for the weight?10yr ⋅ locofoci ⋅ r/AskPhysics
[Solid-state physics] Why does the energy of electrons in a periodic potential behave the way it does? (a)10yr ⋅ Steph4869 ⋅ r/AskPhysics
In pane #5 of this illustration, why would the windows not roll down? And what is the next best thing to do if you don't have that tool?11yr ⋅ [deleted] ⋅ r/AskPhysics
Why does this glass when seen through another pane of glass have rainbow colors?10yr ⋅ maksimg ⋅ r/AskPhysics
Help deriving electric field strength of a point charge a the origin when an arc of radius r is centered on it.11yr ⋅ Mateo9296 ⋅ r/AskPhysics
Can someone please help me on a statistical thermodynamics problem?10yr ⋅ FoolishPhysicist ⋅ r/AskPhysics
Is my solution for the hamiltonian of a free partical in polar coordinates correct?11yr ⋅ JonnyTango ⋅ r/AskPhysics
Every time I do this problem, I come up with an answer of 1.52. I've checked and rechecked my work a dozen times; can anybody explain to me what I'm doing wrong?11yr ⋅ [deleted] ⋅ r/AskPhysics
Highschool physics help! I don't want answers but I do want help on how to solve it. I'm lost on where to start!!!10yr ⋅ nerdthug ⋅ r/AskPhysics
Gravity Problem, correct answer circled, but I need an explanation as to why this is the case.10yr ⋅ HumbertoL ⋅ r/AskPhysics
Statistical Physics exam problem using microcanonical ensemble. 2nd year physics10yr ⋅ redgit222 ⋅ r/AskPhysics
By closing this button I complete the circuit and the light blinks. Why doesn't it short it out?10yr ⋅ gronke ⋅ r/AskPhysics
Why doesn't the quadratic work in this problem (key on left, students work on right)? thank you all for any help you can provide.10yr ⋅ Jb6464 ⋅ r/AskPhysics
I saw this on another sub. My question is, is there any way for the splatter pattern to make sense other than the car had to be moving backwards when whatever it was, was hit11yr ⋅ LyleLanley99 ⋅ r/AskPhysics
I started a new unit recently, and I can't even begin to understand it, can someone here help me out? With examples or something?11yr ⋅ d3mon110 ⋅ r/AskPhysics
I need some help with electrostatics. I have been mulling over this question for a couple days without any luck. Is this possible?12yr ⋅ [deleted] ⋅ r/AskPhysics
Hammer and ruler trick. Do you know similar tricks? Which is the most unbelievable?10yr ⋅ Lollemberg ⋅ r/AskPhysics
Relativistic velocity problem? Still don't know how to assign frames of reference primed or unprimed.12yr ⋅ arunsballoon ⋅ r/AskPhysics
What does Earth @ 1/2C or Human @ 1/2C mean in the context of this energy scale? My friend and I are attempting to conceptualize the Kardashev scale on a whole and assumed it would be the speed of light. 12yr ⋅ GrayCosmonaut ⋅ r/AskPhysics
So am I just way off here? Relativity, the big bang, and the 'edge of the universe'.12yr ⋅ [deleted] ⋅ r/AskPhysics
