A 20-G Bead Is Attached to a Light 120 Cm-Long

question 19

Multiple Choice

A 20-g bead is attached to a light 120 cm-long string as shown in the figure.If the angle α is measured to be 18°,what is the speed of the bead?

• A)0.55 m/s
• B)2.0 m/s
• C)3.8 m/s
• D)1.3 m/s
• E)1.1 m/s

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Definitions:

Preferred Hypothesis

A theory or statement that is given precedence due to existing beliefs, biases, or the current frame of reference.

Devil's Advocate Procedure

A technique in which an individual intentionally takes a contrary position or argument to a prevailing idea or strategy, to stimulate critical thinking and test assumptions.

Counterargument Role

A role or approach in discussions or debates where an individual actively develops and presents arguments against a prevailing view or proposition, to test its validity.

Task-Oriented Conflicts

Conflicts arising from differences in opinions or approaches towards accomplishing a specific task or goal.