query: Difference between speed of light and of bullet after passing through a barrier
positive_passages.docid: 32879
positive_passages.text: How does light speed up after coming out of a glass slab?
negative_passages.docid: 760
negative_passages.text: Can the velocity of the center of mass of two spheres change after a collision?
negative_passages.docid: 39242
negative_passages.text: Why can't we see light travelling from point A to B?
negative_passages.docid: 80291
negative_passages.text: Relativistic velocity addition from time dilation
negative_passages.docid: 127383
negative_passages.text: Speed of light in general relativity
negative_passages.docid: 131705
negative_passages.text: Relativity Of Simultaneity Confusion
negative_passages.docid: 146489
negative_passages.text: What does Lijun Wang's experiment about supraluminal speed of light in a medium mean?
negative_passages.docid: 28488
negative_passages.text: I am confused about the idea that the speed of light is independent of the speed of the source of light
negative_passages.docid: 47242
negative_passages.text: Time dilation due to change in speed
negative_passages.docid: 57201
negative_passages.text: Speed of sound relative to density of medium through which sound travels
negative_passages.docid: 23937
negative_passages.text: What is the mechanism behind the slowdown of light/photons in a transparent medium?
negative_passages.docid: 24
negative_passages.text: Projectiles and escape velocity
negative_passages.docid: 41041
negative_passages.text: Does a photon instantaneously gain $c$ speed when emitted from an electron?
negative_passages.docid: 47988
negative_passages.text: Reflection At Speed of Light
negative_passages.docid: 974
negative_passages.text: Speed of light in a gravitational field?
negative_passages.docid: 64226
negative_passages.text: If traveling at the speed of lights stops time, why does it take light 8 minutes to reach Earth?
negative_passages.docid: 57401
negative_passages.text: Difference between Speed and Velocity