PLEASE HELP ME PLEASE ! there is a rectangular padding pool of constant depth the pool is filled with sea water.
(a) the volume of the sea water in the pool is 264mcube . calculate the depth of the pool.
(b) the mass of the sea water is 2.70x10power 5 kg calculate the density of the sea water. ( give the answer in 3 significant figures)

Select the correct answer. anna will wear a black dress when she attends het cousin's wedding. which color(s) does the dress absorb? a. all colors b. no colors c. red and green d. white

Anybody wanna ? (picture included? )

Electric field of the earth. the earth has a net electric charge that causes a field at points near its surface equal to 150 n> c and directed in toward the center of the earth. (a) what magnitude and sign of charge would a 60-kg human have to acquire to overcome his or her weight by the force exerted by the earth’s electric field? (b) what would be the force of repulsion between two people each with the charge calculated in part (a) and separated by a distance of 100 m? is use of the earth’s electric field a feasible means of flight? why or why not?