Section 1
Question  Answer 
x  distance 
v  velocity 
a  acceleration 
scalar  is a #, temperature, speed, mass, volume 
vector  # and direction, distance, velocity, acceleration 
SOH  Sin opp/hyp 
CAH  Cos Adj/hyp 
TOA  Tan opp/adj 
units  length, time, mass 
1000 meters  1 kilometer 
cos  x axis 
sin  y axis 
 memorize 
Section 2
Question  Answer 
displacement x  xfxi 
displacement of v  vfvi 
average v  vfvi 
constant velocity  no acceleration 
vf2  vi2+2ax 
xf  xi+1/2(vf+vi)t 
vf  vi+at 
xf  xi+vit+1/2at2 
displacement of v  x/t 
acceleration=  v/t 
 memorize 
Section 3
Question  Answer 
axis  independent of each other 
F(N)=  ma 
Fy  mg 
Fx  ma 
velocity  m/s 
acceleration  m/s2 
2nd law  sumF=0 
3rd law  F1=F2 
Fg  G m1m2/r2 
G=  6.67x10^11 Nm2kg 
 memorize 
Section 4
Question  Answer 
Tension  Force on a string 
Work  F(d) or (ma)d 
work at an angle  f(d)cos theta 
Kinetic Energy  1/2mv^2 
Potential Energy  mgh 
KE=PE  1/2mv^2=mgh 
power=  work/time, Fd/t, mad/t 
 memorize 
Section 5
Question  Answer 
Linear momentum  Conservation of momentum 
P=  mv 
Pi1+Pi2=Pf1+Pf2  (m1v1+m2v2)i=(m1+m2)vf 
inelastic  sticking 
elastic  non sticking 
 memorize 
Section 6
Question  Answer 
Fc=  mv^2/r 
Ac  v^2/r 
Rotational  theta, w=theta/alpha, alpha=w/t 
Linear  x,v,a 
Handwatch  1Hz 
Period  T=1/f(s) 
angular frequency  wave=2pif 
circular waves  T=2pi/wave 
perpendicular  to the direction of propogation 
longitudinal waves  soundwaves shrinkexpand 
undamped wave  wave that is not being disturbed 
damped oscillation  messed up wave 
 memorize 
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