include a simple list of kinematic equations for reference

src/shimmers/math/kinematics.cljc

@@ -0,0 +1,37 @@
+(ns shimmers.math.kinematics
+  (:require [shimmers.math.equations :as eq]))
+
+;; https://www.youtube.com/watch?v=v1V3T5BPd7E
+;; suvat equations
+;; s : displacement
+;; u : initial velocity aka v_0
+;; v : final velocity aka v_f
+;; a : acceleration
+;; t : time
+
+;; Limitations: only works for constant acceleration in one axis
+
+;; s = (u + v)/2 * t
+(defn displacement-from-velocity [u v t]
+  (* (/ (+ u v) 2) t))
+
+;; v = u + at
+(defn velocity-from-acceleration [u a t]
+  (+ u (* a t)))
+
+;; s = ut + (at^2)/2
+(defn displacement-from-acceleration [u a t]
+  (+ (* u t) (/ (* a (eq/sqr t)) 2)))
+
+;; s = vt - at^2
+(defn displacement-from-final-velocity [v a t]
+  (- (* v t) (/ (* a (eq/sqr t)) 2)))
+
+;; v^2 = u^2 + 2as
+;; or v = sqrt(u^2+2as)
+(defn velocity-from-displacement [u a s]
+  (Math/sqrt (+ (eq/sqr u) (* 2 a s))))
+
+
+
+