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john morrison's user avatar
john morrison's user avatar
john morrison
  • Member for 9 years, 4 months
  • Last seen more than a week ago
4 votes
4 answers
343 views

What is the relationship between gravitation, centripetal and centrifugal force on the Earth?

3 votes
1 answer
97 views

Why are the absolute magnitudes in M5 galaxy so puny?

2 votes
5 answers
3k views

Why doesn't the top block's mass affect the acceleration of the bottom block when they're stacked?

2 votes
2 answers
564 views

Magnetic field strength from a steel rod

1 vote
2 answers
2k views

How do I find the time evolution of a ket?

1 vote
1 answer
544 views

How do I prove Ehrenfest's theorems using bra-ket notation?

1 vote
3 answers
2k views

What does it mean for a state to be a superposition of position eigenstates?

0 votes
2 answers
444 views

Is my book's answer on a cons. of momentum question incorrect?

0 votes
2 answers
109 views

Why don't glasses move upward when held?

0 votes
0 answers
200 views

Magnetic field at end of a wire?

0 votes
3 answers
79 views

Finding the solid angle of a beach ball

-1 votes
2 answers
149 views

Could you cook a chicken in the oven if it was floating?