A Block Is Attached to the End of an Ideal

question 60

Multiple Choice

A block is attached to the end of an ideal spring and moved from coordinate x_i to coordinate x_f.The relaxed position is at x = 0.The work done by spring is positive if:

• A)x_i = 2 cm and x_f = 4 cm
• B)x_i = -2 cm and x_f = 4 cm
• C)x_i = -2 cm and x_f = -4 cm
• D)x_i = 2 cm and x_f = -4 cm
• E)x_i = -4 cm and x_f = -2 cm

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Definitions:

Heavily Advertised

Describes products or services that are promoted extensively through various media channels to enhance visibility and consumer awareness.

Existing Preference

The preexisting likes or choices of an individual or group towards certain options or items over others.

High-Fear Messages

Communications intended to elicit fear in order to motivate behavior change, often used in health campaigns.

Audience Attention

The degree of focus or concentration an audience gives to a speaker or performer.