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:

Edisonian Approach

Named after Thomas Edison, it refers to the method of trial and error in experimentation and innovation, where learning is achieved through making adjustments after various failures.

Trial-and-Error

A problem-solving method that involves experimenting with various approaches until finding one that succeeds.

Scientific Method

A systematic process for acquiring knowledge that involves observation, experimentation, and hypothesis testing.

Symptoms

Signs or indications of a disease or condition that are experienced by an individual.