You are writing a story on a table. What physical properties would you want your table to have?

What is the order of the moon, earth, and sun in a lunar eclipse and a solar eclipse?

The desk has a weight of 75 lb and a center of gravity at g. determine the initial acceleration of a desk when the man applies enough force f to overcome the static friction at a and b. also, find the vertical reactions on each of the two legs at a and at b. the coefficients of static and kinetic friction at a and b are ms = 0.5 and mk = 0.2, respectively

How to tell if a molecule is polar or nonpolar with electronegativity