1. neutral particles (neutrons) are in the nucleus
2. nucleus is in the nucleus
3. electron cloud is in the electron cloud
4. positively charged particles (protons) are in the nucleus
5. negatively charged particles (electrons) are in the electron cloud
The pressure is the force divided by the area to which the force is applied, so in this problem it is equal to:
No, simple machine will have an efficiency of 100% if he output work of the machine is equal to the work input.
B. Sonar I had the same question what a coincidence but I had a book about it so here's your answer
The Photon Sphere is the radius of the orbit.