3.) The components of vectors ⃗ and ⃗ are given as follows: Ax = 5.1 Bx = -2.6
Ay = -5 By = -4.3
What is the magnitude of vector sum ⃗ + ⃗⃗

Which term best describes the phrase “something that happens”?

This is important 1. what happens to the speed of molecules in water vapor when it condenses to form a liquid? (2 points) the molecules slow down. the molecules speed up. the molecules slow down and then speed up. the molecules speed up and then slow down. 2. how might human activities change to compensate for a decrease in water supplies? (2 points) humans might build a factory. humans might build drainage systems. humans might extract more water from the ground. human behavior does not change because of the water cycle. i'll be grateful if anyone can answer these 2 questions !

If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.