Physics

3. the force per unit cross-sectional area when equal opposing forces act on a body
4. a motion where particles in both liquids and gases move randomly
9. the rate of change of an object's velocity a=V/t
10. an energy which has formula like E=(mv^2)/2
12. the idea that light behaves like both a wave and a particle
14. a measure of how much effort is required to stop a body P=m*V
15. famous physicist who invented alternating current

1. positively charged particle
2. E=mc^2 Who invented this formula?
5. really high level of frequency
6. the maximum displacement of any particle from its equilibrium position
7. an energy which has formula E= mgh
8. a pair of parallel metal plates, a small distance apart, insulated from one another
11. atoms with the same number of protons, but different numbers of neutrons in their nuclei
13. a system which consist of simple string and ball and it can cause fluctuation