**Two-dimensional projectile motion**

Visualizing Vectors in 2 Dimensions

Projectile at an Angle

Different Way to Determine Time in Air

Launching and Landing on Different Elevations

Total Displacement for Projectile

Total Final Velocity for Projectile

Correction to Total Final Velocity for Projectile

Projectile on an Incline

Unit Vectors and Engineering Notation

Unit Vector Notation

Unit Vector Notation (part 2)

Projectile Motion with Ordered Set Notation

**Optimal angle for a projectile**

Optimal angle for a projectile part 1

Optimal angle for a projectile part 2 – Hangtime

Optimal angle for a projectile part 3 – Horizontal distance as a function of angle (and speed)

Optimal angle for a projectile part 4 Finding the optimal angle and distance with a bit of calculus

**Centripetal acceleration**

Race Cars with Constant Speed Around Curve

Centripetal Force and Acceleration Intuition

Visual Understanding of Centripetal Acceleration Formula

Calculus proof of centripetal acceleration formula

Loop De Loop Question

Loop De Loop Answer part 1

Loop De Loop Answer part 2