Chapter 3, Chapter 5, Chapter 6 formulas

average acceleration

a= vf-vi/ tf-ti

final velocity with average acceleration

vf= vi+at

position with average acceleration

df= di+vitf+1/2atf²

velocity with constant acceleration

vf²= vi²+2a(df-di)

pythagorean theorem

R²= A²+B²

Law of Cosines

R²= A²+B²-2ABcosθ

Law of sines

R/sinθ=A/sina=B/sinb

Vector component on x axis

Ax= Acosθ

Vector component on y axis

Ay= Asinθ

angle of resultant vector

θ=tan-¹(Ry/Rx)

kinetic friction

=μkFN

static friction

≤μsFN

centripetal acceleration

ac= v²/r or ac= 4π²r/T²

Newton's Second Law for circular motion

Fnet=mac

relative velocity

**V**a/b+ **V**b/c= **V**a/c