A car traveling 75 miles per hour is a description of a car's speed 
(Select)
velocity
speed
distance
 , while a car traveling 75 miles per hour north is a description of a car's velocity  

The correct selection is **speed**.

Speed refers to how fast an object is moving, while velocity includes both speed and direction. Hence, when the car is described as traveling 75 miles per hour north, it's velocity because it includes both the speed (75 miles per hour) and the direction (north).

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Here are 5 related questions to deepen your understanding:
1. What is the difference between scalar and vector quantities?
2. How do you calculate average velocity?
3. Can speed ever be negative? Why or why not?
4. How does acceleration relate to velocity?
5. What happens to velocity when the direction of travel changes?

**Tip:** Speed is a scalar quantity (magnitude only), while velocity is a vector (magnitude and direction).

A car traveling 75 miles per hour is a description of a car's speed, while a car traveling 75 miles per hour north is a description of a car's velocity.

Understand the difference between speed and velocity through the example of a car traveling 75 miles per hour. Learn about scalar and vector quantities, key concepts in physics, and how velocity includes both speed and direction. Ideal for students in Grades 6-8.

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