A 12-Kg Mass Is Projected Up a Rough Circular Track (Radius

question 35

Multiple Choice

A 1.2-kg mass is projected up a rough circular track (radius = 0.80 m) as shown.The speed of the mass at point A is 8.4 m/s,and at point B,it is 5.6 m/s.What is the change in mechanical energy between A and B caused by the force of friction?

• A)-2.7 J
• B)-8.8 J
• C)-4.7 J
• D)-6.7 J
• E)-19 J

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Carrying Cost

This is the total cost of holding inventory, including storage, handling, insurance, and opportunity costs.