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1
2
073
1
2
22
2
mv
mm
FF
FC
+
=
F
H
G
I
K
J
b
g
b
g
..
Simplifying, we obtain
mmm
FFC
+=
bg
.,
which we use in solving for the mass of the
caboose:
m
CF
F
==
=
×
=
×
027
0 37
0 37 318 10
118 10
44
.
.
.
.
.
ch
kg
kg
97. Let
m
F
be the mass of the freight car and
v
F
be its initial velocity. Let
m
C
be the mass
of the caboose and
v
be the common final velocity of the two when they are coupled.
Conservation of the total momentum of the twocar system leads to
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.
 Spring '08
 Any
 Physics, Mass, Momentum

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