True or false. on a distance-versus-time graph, a speed of zero would appear as a horizontal line.

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

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

Explain what happens at the saturation point when adding salt to water at room temperature.