Complete Physics 8A Notes and Study Guide | UC Berkeley Introductory Physics (Mechanics)

·
Kinematics
now : ge one + ry



F = ma
why ? now




Vector vs Scalars Position Displacement
= X-axis r(A +
mag of
1
vector
parallel to wh >



mag mag rc +
t
and direction is right & ⑧ ⑧




g g
dir temp/length x( + ) =
pos fur >


r
(+) (+)
+ +
x + =
x( + + A+ )Y
force g &
=
pos ve




I I I
& >( + ) =
x( + )i dispacement : +, + +
1t)
·
Average Velocity
& x( +
Y component #= ( + + A +) -( +) =
(x( + + x + ) -
x(t)

&

ava
r X
Ar = xY T
I
t t

Vector = component + direction


Instantaneous Velocity Acceleration
X( + ) x( + )Y


w




(t)im (x( ++

-Xt
L = (v( + + A+ ) -
v( + ))i

vY



a(
LimaL
2D
+) =




Position Instantaneous Velocity Acceleration
← LOOKUP →
bux
Y X d y as + ) = d + i +
a
--
- (+ )
-

a ay
=
xi +
yy
x
pos r'( + ) = x( + )
I
-




(t)
r( + 1
y(t) a
I


!
X
' (x) )g) +
vel v( + ) = v(t)
Y

( + )x( + )y az a
1
dir a
y( + )y tar
: 1 = +
+ X




acc a(t)a + 1 + ) d
Projectile Motion 3 Questions
Y
Fj =
mg
Eg of motion
1. how many objects are moving pos r ( + ) = x( +)i +
y( + )Y

y( +)
W a x
= 0 vert =
Vygt how many dimentions for each




=
Z
veot
2. vel v( + )
= y( +) =
yo +
2gt
ay 9 how many stages of motion


; vx( + ) Vx 3.
nor =
3 X
special cord of motion ?


x( + ) =
Xo +
Vo +
acc a (t)
y yo
ve
= +




Practice

d o
+ coS)Do


d
Apple : at) d
-
+ =
voCOS)Do

H
2gt


·
ya - n



Bullet : n(t) of cos(0 ↳ Egt S + otsin Egt

ya( + ) S + otsin o Egt
u S
Vosin Do