Which of the Following Statements Are True About an Object

question 8

Multiple Choice

Which of the following statements are true about an object in two-dimensional projectile motion with no air resistance? (There could be more than one correct choice.)

• A) The acceleration of the object is +g when the object is rising and when it is falling.
• B) The speed of the object is zero at its highest point.
• C) The acceleration of the object is zero at its highest point.
• D) The speed of the object is constant but its velocity is not constant.
• E) The horizontal acceleration is always zero and the vertical acceleration is always a non-zero constant downward.

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Definitions:

Income Effect

The change in an individual's or economy's income and how that change will affect the quantity demanded of a good or service.

Real Hourly Wages

The hourly wage of workers adjusted for inflation, representing the purchasing power of the income.

Real Wages

Wages adjusted for inflation, giving a true measure of the purchasing power of earned income over time.

Hourly Wage

The amount of money paid to an employee for every hour worked.