The Diagram Shows a Velocity-Time Graph for a Car Moving

question 1

Multiple Choice

The diagram shows a velocity-time graph for a car moving in a straight line. At point Q the car must be:

• A) moving with zero acceleration
• B) traveling downhill
• C) traveling below ground-level
• D) reducing speed
• E) traveling in the reverse direction to that at point P

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Definitions:

Ratio

A mathematical correlation between two values indicating the frequency one number can be contained by the other.

Unknown Quantity

A variable or value in mathematics and science that is not specified or determined, often represented by letters such as x or y in equations.

Proportion

A part or share of the whole, often used in statistics and mathematics to describe the relationship between numbers or quantities.

Lowest Terms

The simplest form of a fraction when the numerator and denominator are reduced to their smallest possible numbers.