All Questions
2
questions
0
votes
2
answers
205
views
What does an observer in a reference frame moving with velocity of light see, when another reference frame with velocity c is launched in opposite? [closed]
Suppose a reference frame is moving with velocity c in +x direction. An observer is there. At any time instance, another reference frame with velocity c is launched in opposite direction, i.e. -x ...
1
vote
2
answers
378
views
Can sound be faster than 300m/s?
If you sit in a car and it's driving $300{m \over s}$ and you clap your hands for a very very short sound, will it's wave be $600{m \over s}$ fast, because it adds the speed of the car?
Or will it be ...