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Answered>Order 1569

Box 1, mass m1 = 43.3 kg, is sliding on a horizontal, frictionless table at speed v10 = 5.58 m/s when it collides head-on with a second identical box at rest. a) Find vcm 0, the speed of the center of mass of this system before the collision. m/s b) If the collision is completely […]

 

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Answered>Order 1570

1.      What are the advantages and disadvantages of using the payback method of evaluating projects?.     2. Is there a cost associated with retained earnings? Why? 3.      When will a firm announce a share repurchase? What does it signal to the market? What happens to the firm’s stock price following a repurchase? 4.  What do dividend increases signal? What do dividend decreases signal? […]

 

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Answered>Order 1571

1.What is the concentration of sodium ions when 35.0 g of sodium phosphate, Na3PO4, is dissolved in 500. mL of solution? Include the dissociation equation for sodium phosphate. 2.What volume of a 5.00 mol/L stock solution is needed to make 2.00 L of a 0.125 mol/L solution? 3.Find the new concentration when 225 mL of […]

 

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Answered>Order 1572

Do people really care about the environment, if it means higher price levels? Does recycling even work? Has anyone hugged a tree recently? With this being our starting point, we should also look to consider the following questions: •Are “developing” nations really concerned about the environment? Why or Why not? How do the decisions made […]

 

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