Meter, kilogram and second are the SI units of length, mass and time respectively. They are internationally agreed standard units. Write a descriptive ,note about the history, methods of ination and definition of meter, kilogram and second

In a system, when potential energy decreases, then entropy also decreases. true false

Uppose we consider the system of the three capacitors as a single "equivalent" capacitor. given the charges of the three individual capacitors calculated in the previous part, find the total charge qtot for this equivalent capacitor. express your answer in terms of v and c.

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?