What is the standard formula for calculating distance?

The standard formula for calculating distance is derived from the relationship between speed (or rate), time, and distance itself. The equation states that distance is equal to the rate (or speed) of an object multiplied by the time that object is traveling. This can be understood through a simple rearrangement of the formula:

1. Understanding Rate: Rate (or speed) is how fast something is moving, typically expressed in units like miles per hour or meters per second.

2. Relation to Time: Time is the duration for which the object has been in motion.

When you multiply the speed (rate) by the time traveled, you are essentially summing up all the small distances covered each instant during that time. For example, if a car is traveling at a speed of 60 miles per hour for 2 hours, the distance covered would be calculated as 60 miles/hour × 2 hours, yielding a total distance of 120 miles.

This formula is foundational in physics and is widely used in various applications involving motion. Thus, the correct answer is based on this fundamental relationship—a clear representation of how distance can be quantitatively determined given a specific speed and time.