Trajectory Calculator
Analyze projectile motion paths and characteristics
A trajectory is the path that a projectile follows through space after being launched. In physics, projectile motion combines both horizontal and vertical motion, resulting in a parabolic path when air resistance is neglected.
Key components of projectile motion include:
- Horizontal motion at constant velocity
- Vertical motion affected by gravity
- Independence of horizontal and vertical components
- Parabolic path shape
The trajectory calculation involves several steps:
- Decompose initial velocity into components:
- v₀ₓ = v₀ × cos(θ)
- v₀ᵧ = v₀ × sin(θ)
- Calculate time of flight:
- t = (v₀ᵧ + √(v₀ᵧ² + 2gh₀)) / g
- Determine maximum height and range:
- h_max = h₀ + v₀ᵧ²/(2g)
- Range = v₀ₓ × t
- Plot trajectory points using parametric equations:
- x(t) = v₀ₓt
- y(t) = h₀ + v₀ᵧt - (gt²)/2
Trajectory calculations are essential in many fields:
- Sports: Optimizing ball trajectories in games like basketball, golf, and baseball
- Military: Artillery targeting and missile guidance systems
- Space Exploration: Planning spacecraft trajectories and orbital maneuvers
- Engineering: Designing launch systems and projectile-based equipment
- Education: Teaching physics concepts and demonstrating projectile motion
- Initial Velocity: Higher velocities result in greater ranges and heights
- Launch Angle: Different angles optimize for either maximum height or range
- Initial Height: Starting height affects total time of flight and range
- Gravity: Determines the vertical acceleration of the projectile
- Air Resistance: Real-world factor that reduces range and height (not included in this ideal model)
What is the optimal angle for maximum range?
In ideal conditions (no air resistance and launch from ground level), 45 degrees provides the maximum range. However, this can vary with different initial heights and real-world conditions.
Why is the trajectory path parabolic?
The parabolic shape results from the combination of constant horizontal velocity and uniformly accelerated vertical motion due to gravity. This creates a quadratic relationship between height and distance.
How accurate is this calculator?
The calculator provides exact results for ideal conditions (neglecting air resistance and assuming constant gravity). For real-world applications, expect shorter ranges and lower maximum heights due to air resistance and other factors.