1. What is the Speed Formula in Physics?

Definition: The speed formula calculates how fast an object is moving by dividing the distance traveled by the time taken.

Purpose: It helps in understanding motion and is fundamental in physics, engineering, and everyday calculations.

2. How Does the Speed Formula Work?

The formula is:

Where:

• \( S \) — Speed (meters per second)
• \( D \) — Distance traveled (meters)
• \( T \) — Time taken (seconds)

Explanation: The formula shows that speed is directly proportional to distance and inversely proportional to time.

3. Importance of Speed Calculation

Details: Calculating speed is essential for understanding motion, designing transportation systems, and solving real-world problems in physics and engineering.

4. Using the Calculator

Tips: Enter the distance in meters and time in seconds. Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between speed and velocity?
A: Speed is a scalar quantity (magnitude only), while velocity is a vector quantity (magnitude and direction).

Q2: Can I use different units?
A: Yes, but ensure consistency (e.g., km and hours for km/h). The calculator uses meters and seconds for m/s.

Q3: What if time is zero?
A: Time cannot be zero as division by zero is undefined. The calculator requires time > 0.

Q4: How is this different from average speed?
A: This calculates instantaneous speed if using exact measurements, or average speed if using total distance and time.

Q5: What's a typical walking speed?
A: About 1.4 m/s (5 km/h), but varies by individual.