10.27.
Model:
This is the case of a perfectly inelastic collision. Momentum is conserved because no external
force acts on the system (clay
brick).
+
We also represent our system as a particle.
Visualize:
Solve:
(a)
The conservation of momentum equation
fi
x
x
p
p
=
is
12
f
1
i
i
2
(
)
()
xx
x
mm
v m
v
+=
+
Using
i1
0
i2
a
n
d
() 0
,
vv
v
==
we get
1
1
i
1
i
1
0
0.050 kg
(
)
(
)
0.0476(
)
0.0476
(1.0 kg
0.050 kg)
x x
m
vvv
=
=
++
The brick is moving with speed
0
0.048 .
v
(b)
The initial and final kinetic energies are given by
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This note was uploaded on 12/10/2011 for the course PHYS 1211 taught by Professor Geller during the Fall '09 term at UGA.
 Fall '09
 geller
 Force, Momentum

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