A 20-Kg Mass Swings at the End of a Light String

question 39

Multiple Choice

A 2.0-kg mass swings at the end of a light string (length = 3.0 m) .Its speed at the lowest point on its circular path is 6.0 m/s.What is its kinetic energy at an instant when the string makes an angle of 50 $\degree$ with the vertical?

• A)21 J
• B)15 J
• C)28 J
• D)36 J
• E)23 J

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Definitions:

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A process in operations management aimed at determining optimal production levels, inventory, and workforce to meet anticipated demand.

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Sophisticated software tools designed to assist in the planning and optimization of operations, logistics, supply chain, and inventory management.

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The measure of the condition of data based on factors such as accuracy, completeness, reliability, and relevance, impacting its usefulness in decision-making.

Aggregate Planning

A process by which a company determines ideal levels of capacity, production, subcontracting, inventory, and stockouts to meet demand over a specified timeframe, generally medium term.