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r/AskPhysics - Page 3
235 words
How do we know the difference between red shift caused by the big bang and red shifts caused by cosmic voids and super massive black holes?
211 words
How does speed stack?
233 words
Please help me understand relativistic speeds
298 words
Please help me understand relativistic speeds
784 words
Understanding E_x/V vs graphs for infinitely charged sheet and equipotential lines
364 words
AP Physics teacher here. Here I am middle of third term and some of my students still can't identify the difference between mass and weight. What are some other ways of explaining this?
364 words
Quantum entanglement and faster than light communication.
541 words
How light behaves in other than 3 dimensions?
390 words
Does time dilation affect our lifespans and rate of evolution compared to the rest of the universe?
299 words
Dropping an egg safely?
335 words
Can dark matter be due from the mass of the gravity field?
979 words
What interpretation of quantum mechanics do you believe is true, and why?
425 words
A question about microwaves and energy transfer.
364 words
Red vs. green light
632 words
What is the fundamental way in which the EM field is coupled to a charge particle, and reacts to acceleration?
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