Consider two closed systems a and b. system a contains 3000 kj of thermal energy at 20°c, whereas system b contains 200 kj of thermal energy at 50°c. now the systems are brought into contact with each other. determine the direction of any heat transfer between the two systems.

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

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