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How To Calculate Displacement

Displacement Formula:

\[ s = 0.5 (u + v) t \]

m/s
m/s
s

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1. What is Displacement?

Displacement is a vector quantity that refers to the change in position of an object. It is the straight-line distance between the initial and final positions of the object, with direction from the starting point to the ending point.

2. How Does the Calculator Work?

The calculator uses the displacement formula:

\[ s = 0.5 (u + v) t \]

Where:

Explanation: This formula calculates displacement when acceleration is constant, using the average of initial and final velocities multiplied by time.

3. Importance of Displacement Calculation

Details: Displacement is fundamental in kinematics for understanding motion. Unlike distance, displacement considers direction, making it crucial for vector analysis of movement.

4. Using the Calculator

Tips: Enter velocities in m/s and time in seconds. Time must be positive. The calculator will compute the displacement in meters.

5. Frequently Asked Questions (FAQ)

Q1: How is displacement different from distance?
A: Distance is a scalar quantity (magnitude only) measuring total path length, while displacement is a vector (magnitude and direction) measuring change in position.

Q2: Can displacement be zero when distance isn't?
A: Yes, if an object returns to its starting point, displacement is zero while distance would be the total path length traveled.

Q3: When is this formula applicable?
A: This formula works when acceleration is constant. For variable acceleration, integration methods are needed.

Q4: What if I only have acceleration and time?
A: You can use \( s = ut + 0.5at^2 \) if you know initial velocity and acceleration.

Q5: How does direction factor into displacement?
A: While this calculator gives magnitude, displacement direction is from start to end point. Full vector analysis requires direction components.

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