5 1 point
A ball is rolling on a frictionless surface, traveling at a constant speed, 30 m/s to the right. What has to happen for the forces acting
upon the ball to make the ball come to a complete stop?

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g