A 200 Kg Box Slides Down a 12

question 58

Multiple Choice

A 20.0 kg box slides down a 12.0 m long incline at an angle of 30.0 degrees with the horizontal.A force of 50.0 N is applied to the box in the upward direction to try to pull it up the incline.The applied force makes an angle of 10.0 degrees to the incline.If the incline has a coefficient of kinetic friction of 0.00,then the increase in the kinetic energy of the box is

• A) 420 J.
• B) 475 J.
• C) 521 J.
• D) 585 J.
• E) 620 J.

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Definitions:

Par Value

The face value of a bond or stock, as stated by the issuing company, which often bears no relation to its market value.

Straight-Line Method

A depreciation technique in which an asset's cost is evenly reduced over its useful life, assuming constant use and value decline.

Interest Expense

The cost incurred by an entity for borrowed funds, reflecting the interest payments on debt obligations over a period.

Par Value

The stated value of a financial instrument such as a bond or stock share, as declared by the issuer.