What's the difference between measuring total current and calculating total current? My lab assignment it asking for both and I'm confused. I thought it was the same thing?How do I do both of them?

If y gets smaller as x gets bigger and y have an relationship?

According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?

The ability to make things happen is also called a. heat b. force c. matter d. energy