What drug is called angel dust?​

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

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system