if HG and glass have equal coefficient of volume expansion could make a Hg thermometer in a glass tube​

Ann walks 80 meters on a straight line 33 ∘ north of east starting at point 1. draw ann's path. represent ann's walk with a vector of length 80 meters. draw the vector starting at point 1. the length given in the display is in meters.

You have 80 g of 60oc water and 80 g or 10oc water. what is the final temperature when the two are mixed? explain.

What kind of wave patterns do you observe in the sink in the top view