A 200 Kg Box Slides Down a 12

question 52

Multiple Choice

A 20.0 kg box slides down a 12.0 m long incline at an angle of 3.0 degrees with the horizontal. A force of 50.0 N is applied to the box to try to prevent it from sliding down the incline. The applied force makes an angle of 0.00 degrees to the incline. If the incline has a coefficient of kinetic friction of 0.100, then the increase in the kinetic energy of the box is

• A) 300 J.
• B) 372 J.
• C) 410 J.
• D) 455 J.
• E) 525 J.

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Definitions:

Overextension

in language development, refers to the application of a word in a broader context than is appropriate, common in early speech.

Metacognition

The recognition and comprehension of an individual's own cognitive activities, commonly described as "thinking about thinking."

Reflect on your Own Thinking

The meta-cognitive process of analyzing one’s own thoughts, beliefs, and cognitive processes.

Zone of Proximal Development

A concept in developmental psychology referring to the difference between what a learner can do without help and what they can achieve with guidance and encouragement from a skilled partner.