If a Projectile Is Fired Straight Up at a Speed

question 123

Multiple Choice

If a projectile is fired straight up at a speed of 10 m/s,neglecting air resistance,the total time to return to its starting position is

• A)1 s.
• B)2 s.
• C)10 s.
• D)20 s.
• E)not enough information

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Definitions:

Marginal Utility

The additional satisfaction or utility a consumer gains from consuming one more unit of a good or service.

Competitive Equilibrium Price Ratio

The ratio of prices that ensures the equality of supply and demand in a competitive market, often used to observe relative price changes between commodities.

Utility Function

A mathematical representation expressing an individual's preference ordering over a set of goods or services, used in economics to model decision making under uncertainty.

Min

Often short for "minimum," it represents the smallest or least possible amount or degree of a certain quantity or measure.