A 200 Kg Box Slides Up a 12

question 71

Multiple Choice

A 20.0 kg box slides up a 12.0 m long incline at an angle of 30.0 degrees with the horizontal. A force of 150 N is applied to the box to pull it up 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) 330 J.
• B) 390 J.
• C) 420 J.
• D) 481 J.
• E) 597 J.

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Definitions:

Same Direction

Refers to variables that move or change in unison, indicating a positive correlation where if one increases, the other also increases, and vice versa.

Chocolate Chip Cookie Dough

A mixture used to bake chocolate chip cookies, often considered for its raw consumption appeal as well.

Elastic

Describes a situation in which the supply or demand for a good or service is highly responsive to changes in price.

Good Substitutes

Products or services that can be used in place of one another, where the increase in price of one leads to an increase in demand for the other.