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:

Direct Approach

A communication style that is straightforward and to the point, without unnecessary details or digressions.

Negative Message

Communication that conveys a refusal, denial, or unfavorable information in a tactful way.

Positive Statement

An assertion that can be tested and validated, often used in economics to describe facts without judgment.

Negative Message

Communication that conveys a refusal, rejection, or bad news in a way that aims to maintain a good relationship with the recipient.