What is the kinetic energy of this soccer baal? mass of, Ask an Expert

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Using a solution of 0.1 M of a certain cation form a precipitate with 0.1 M solutions of all of these anions; CO₃^2-, OH^-,SO₄^2-. now determine which cation A)Ba²⁺, B)Fe²⁺, C )Mg²⁺ or D)Pb²⁺ fits this description out of these four given cations ?

If a soccer ball is traveling at a speed of 120 m/s then What is the kinetic energy of this soccer baal ? Mass of soccer ball is= 0.38 kg ?

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