Magnesium sulfate (mgso4) dissolves in seawater? which is the correct description of magnesium sulfate?
a. it is an inorganic salt
b. it is an organic salt
c. it is an inorganic lipid
d. it is an organic lipid

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?

Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f

Coal contains energy. a. light b. kinetic c. chemical d. mechanical