The bar ab has a velocity at point a of va = [20,9] m/s and an angular velocity w = 23 rad/s. if the distance between a and b is .71 m what is the speed of point b

Explain vector addition, triangle method and parallelogram method

If a balloon is taken outside on a very cold day, what will occur?

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 !