What is the volume of a block of wood with a mass of 25 g and a density of 1.55 g/cm??

What is the internal energy of 4.00 mol of diatomic nitrogen gas n2 at 455k

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

Which accurately compares concave and convex lenses?