As an Object Moves from Point a to Point B

question 11

Multiple Choice

As an object moves from point A to point B only two forces act on it: one force is nonconservative and does −30 J of work, the other force is conservative and does +50 J of work. Between A and B,

• A) the kinetic energy of object increases, mechanical energy decreases.
• B) the kinetic energy of object decreases, mechanical energy decreases.
• C) the kinetic energy of object decreases, mechanical energy increases.
• D) the kinetic energy of object increases, mechanical energy increases.
• E) None of the above.

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Definitions:

Profits

The financial gain obtained when the revenue generated from business activities exceeds the expenses, taxes, and costs involved in sustaining the activity.

Discounted Cash-flow Analysis

A financial model that estimates the value of an investment based on its expected future cash flows, discounted back to their present value.

Debts

Money that is owed or due, typically resulting from borrowing funds or purchasing goods and services on credit.

Taxes

Compulsory financial charges or some other type of levy imposed upon a taxpayer by a governmental organization in order to fund government spending and various public expenditures.