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:

ControlLogic (CLX) Controller

A type of programmable logic controller (PLC) used in industrial applications for automation and control.

Fixed Areas

Predefined sections in memory or on a display screen reserved for specific information or control elements.

Controller Scope Tag

An identifier used in automation and control systems to uniquely name and access a variable or tag within the scope of a controller.