Studied by 26 peopleaverage 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
Va/b+ Vb/c= Va/c
Note
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