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:

Physiological

Pertaining to the branch of biology that deals with the normal functions of living organisms and their parts.

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Maslow's Hierarchy

A theory in psychology proposed by Abraham Maslow, which suggests that people are motivated to fulfill basic needs before moving on to other, more advanced needs.