# All Questions

46 views

### If a liquid is compressed enough, would it become solid?

If a liquid were to be compressed so tensely that the particles had no room to move, would it then become a solid? Also, would the same happen with a gas?
7 views

40 views

### What is the implication of an expanding universe on a small scale?

As a layman I am struggling to understand what effects the fact that the universe itself expands has on distance, density etc. If the universe expands by a factor $k$, does that mean that the ...
46 views

### Special relativity kinematics problem

I have this problem in SR kinematics. a spaceship travels near earth at c/2. it shoots off a light-ray at 45deg to its direction of travel (measured in its own ref frame). What is this angle in the ...
15 views

66 views

### in Newtons 3rd law, where does the second body get its energy to react?

A very basic question, and apologies if I have overlooked something obvious. In newtons 3rd law, presumably energy is transfered to the second body from the first body (which itself was subject to an ...