Radioisotopes taken internally for medical reasons a. must be eliminated from the body slowly b. should be fissionable isotopes c. are usually deposited in fat tissue d. should have a short half-life

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

In a given chemical reaction, the energy of the products is greater than the energy of the reactants. which statement is true for this reaction?

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy