describing
2.1
1
a
Describing
frame
of
object's
over
requires
reference coordinate
to
system
motion
motion
specify how
the
position changes
time
l
over
me
Distance
2
of
the
length
4
for
unit
m
is
The
Displacement
change of
length
traveled
path
The SI
3
total
The
of
an
object's
Position
final
Displacement
Ax
5
6
Xe Xi
Displacement
Positive
or
Displacement
because
it
direction
has
position
can
intia
Position
be
negative
is
a
vector
quantity
both magnitude and
diran
The sgin of
7
indecates
8
of
the direction
Displacement
to the
equal
It
the displacement
is
always
distance traveled
be
can
not
motion
less
not
greater
Distance
Displacement
Lml
M
D
A
50
M
B
Et
W
S
Distance
5am
Som
east
Displacement
The Chang of position of an object
Som
I
2
B
20m
Zone
g
k
som
120m
Distance
20m
Displacement
3
an
s
D
Som
Som
B
C
Em
Distance
yo m
Displacement
Position
Xf
Xi
south
intial
om
Position
Final position
deity x
Change
Xp
in
Xi
position
displacement
Quantities
stalar
Vector
Has only
magnitude
ex
distance time
mass
frequancy
has both
magnitude and
direction
ex
Force
displacement
Velocity
ace
What is the displacement for a trip from …… page 46. = Distance is 20 m , displacement is 8 m west.
The distance traveled
be
will
positive
always
for any journey
b The displacement for a
a
round trip journey will
be
always
because the
intial and the final positions
are
zero
the
The
Measures
same
odometer
only the
traveled and
and
not
of
a
car
distance
the
final position
intial
Ds
the distance
magnitude of
and the
displacement
hike
you
line
a
in
Yes
have
traveled
in
only
are
a
one
because
the
same
the
equal
if
straight
direction
you
each
intial
and final position
b
No
the distance your dog
has traveled
is
greater than
the distance you have
traveled because the dog
d
Zigzags
takes
the
se
a
around
many
as
start
dg
it
side
trips
a
5.0
1.2
b
5.0
12
7
1.2
7.4m
5
12
in the
om
positive
direction
2.2
Speed and velocity
scalar
D The average speed
Is the distance
per
unit
time
average speed distance
elapse time
U
2
Speed is
also
known
rate
of
motion
The
3
SI
unit
the
as
for speed
i
I
E
is
mis
i
Given
fits
1.75s
d
1.8s
U
7 om
4
oo
mis
E
WE
d
ut
4
tn
sxmgdIN
G 44m 6
qmE4QF d
uxt
In
In
34omislxo.gs
d
1,190
E
m
7 v
34omls
3 SS
meters
Kilometers
1,190m
ooo
km
1.19km
D
K
Som
at
B
ios
diff E
speed
Velocity dispffet Sf
at
speed
diffe
Velocity IIe
t Average of
per
2
3
unit
Velocity
The
sign
velocity
is
a vector
o
7
toying
am
2C s
6o
LI
o mis
Is the
mis
s om's
Ts
Varg
time
s
mis
displacement
E
quantity
of velocity
gives the
g
g
direction
4
of
The magnitude
of
l
g
motion
of velocity
is the
speed
motion
5 Velocity gives the
and it's
only the
rate of
motion
direction whereas speed gives
rate
motion
because
No
Puninginoppiste
speed
ve
they
are
direction
f
d
20
km h
velocity
goa
OM
Is
4007s
A
louts
980
B
20
in
S
Mls
2
D
odder
B
A
D
a positive
m
in
S in
a
12
direction
a negative
direction
negative direction
m
Is
in
a
positive direct