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110. (a) Since the initial momentum is zero, then the final momenta must add (in the
vector sense) to 0. Therefore, with SI units understood, we have
()
31
2 1
1
2
2
27
6
27
6
19
19
ˆˆ
16.7 10
6.00 10 i
8.35 10
8.00 10 j
1.00 10
i 0.67 10
j kg m/s.
pp
pm
v
m
v
−−
=− −
=−
−
×
×
−
×
−
×
×
+
×
⋅
G
GG
G
G
(b) Dividing by
m
3
= 11.7
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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, Momentum

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