This preview shows page 1. Sign up to view the full content.
42. Our +
x
direction is east and +
y
direction is north. The linear momenta for the two
m
=
2.0 kg parts are then
G
G
pm
vm
v
111
==
#
j
where
v
1
= 3.0 m/s, and
G
G
v
v
m
v
xy
22
2
2
+
=
+
##
cos
ij
i
s
i
n
j
2
e
j
e
j
θθ
where
v
2
= 5.0 m/s and
θ
= 30°. The combined linear momentum of both parts is then
()
(
)
(
)
(
)
(
)
12
1
2
2
1
2
ˆˆ
ˆ
ˆ
ˆ
j
cos i sin j
cos
i
sin
j
2.0 kg 5.0 m/s cos30 i
2.0 kg 3.0 m/s
5.0 m/s sin30
j
8.66i 11j kg m/s.
Pp p m
v m
v
m
v
m
v
=+=
+
+
=
+
+
=°
This is the end of the preview. Sign up
to
access the rest of the document.
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

Click to edit the document details