1 - -
b)
mi
-
mz
. =
ap Pf
m
Pi
stationary
cart 1 O -
mi ,
+
mu ,
i = my , f +
t
F
-
>
2 V
-
i ,f
=
, -
Cart 2 = 0
>
↓
-
F21
total [ 0
<1) >KEelastic
conserved (bounced
- off)
on 2""curt
O
- ~
mi
~
2 .
Pi ap Pf +
Muz ,
i
=
Mu f +
, my ,
cart 1 -
O >
m( + viz)
-
+ =o
,
Cart 2 >
- ( >
-
d/ KE not conserved (locked)
total >
-
0 > > inelastic
-
curt 1 +
~ cat
+
myVz MgVz
=
m,v
,
- ~
~
3 , Pi ap Pf
uz
-
v,
=
cart 1 - -0
Cart 2 E >
-
O elastic
total O O O
, 4 ~ m >
Fi ~
my
.
,
ap Pf
cart 1 O >
-
>
-
car+ 2 => - >
-
total => g >
-
.
5
-
~
m v +
mc .z
= (m + mc)
, us
Pf
,
Pi ap
inelastic > stick
togt
-
cart 1
>
-
E >
-
↓ ke ↓
Cart 2 O >
>
-
-
total >
-
O
>
6
. -
~
~
Pi ap Pf
cart 1 >
-
>
-
-
Cart 2 ( ( >
-
total >
-
0 -
b)
mi
-
mz
. =
ap Pf
m
Pi
stationary
cart 1 O -
mi ,
+
mu ,
i = my , f +
t
F
-
>
2 V
-
i ,f
=
, -
Cart 2 = 0
>
↓
-
F21
total [ 0
<1) >KEelastic
conserved (bounced
- off)
on 2""curt
O
- ~
mi
~
2 .
Pi ap Pf +
Muz ,
i
=
Mu f +
, my ,
cart 1 -
O >
m( + viz)
-
+ =o
,
Cart 2 >
- ( >
-
d/ KE not conserved (locked)
total >
-
0 > > inelastic
-
curt 1 +
~ cat
+
myVz MgVz
=
m,v
,
- ~
~
3 , Pi ap Pf
uz
-
v,
=
cart 1 - -0
Cart 2 E >
-
O elastic
total O O O
, 4 ~ m >
Fi ~
my
.
,
ap Pf
cart 1 O >
-
>
-
car+ 2 => - >
-
total => g >
-
.
5
-
~
m v +
mc .z
= (m + mc)
, us
Pf
,
Pi ap
inelastic > stick
togt
-
cart 1
>
-
E >
-
↓ ke ↓
Cart 2 O >
>
-
-
total >
-
O
>
6
. -
~
~
Pi ap Pf
cart 1 >
-
>
-
-
Cart 2 ( ( >
-
total >
-
0 -
