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Acceleration is the rate of change of velocity with respect to time. It is a vector quantity, meaning it has both magnitude and direction.
It is widely used in physics, engineering, and real-world scenarios such as vehicle dynamics, aerospace flight, and biomechanics.
These equations assume uniform (constant) acceleration:
1. v = u + at
2. s = ut + ½at²
3. v² = u² + 2asWhere:
v = at and s = ½at².An aircraft accelerates from rest to 75 m/s in 30 seconds.
a = (v - u) / t = (75 - 0) / 30 = 2.5 m/s²This is the required constant acceleration for takeoff.
A car moving at 25 m/s comes to rest in 5 seconds.
a = (0 - 25) / 5 = -5 m/s²The negative value indicates deceleration — useful for safety system design.
Start calculating smarter—try the Acceleration Calculator now and make physics problems easier than ever!
| Parameter | Value |
|---|---|
| Initial Velocity (u) | 0 m/s |
| Final Velocity (v) | 20 m/s |
| Time (t) | 4 s |
| Acceleration (a) | 5 m/s² |
| Displacement (s) | 40 m |
| Acceleration (Negative) | -5 m/s² |
| Gravity-Based Motion | -9.81 m/s² |
| Acceleration (No Time) | (v² - u²) / (2s) |