Quiz6 - Physics 7B-A/B Codes grading use only Quiz 6 DL sec...

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p A A B C Physics 7B-A/B Quiz # 6 DL sec: Name: 2/27/08 last, first Codes: grading use only 1)
Two
circular
pucks
with
velcro
on
their
sides
slide
on
a
frictionless
horizontal
air
table.

 Puck
1
whose
mass
is
0.10
kg
is
initially
traveling
in
the
positive
 x direction
with
speed
4.0
m/s.

 Puck
2
whose
mass
is
0.30
kg
is
initially
traveling
in
the
positive
y
direction
with
speed
4.0
m/s.

 They
collide
and
stick
together. a)

Draw
a
proper
momentum
chart
showing
the
directions
of
the
momenta
and
explicitly
 calculate
values
of
the
components
of
the
momenta. Closed ± System p i Îp p f puck ± 1 puck ± 2 total ± system 0.4 0 0.4 0 0.4 -0.3 0.1 0.3 0.3 x ± components ± (kg·m/s) Closed ± System p i Îp p f total ± system 1.2 0 0.3 -0.3 1.2 0.3 y ± components ± (kg·m/s) puck ± 1 puck ± 2 0 1.2 0.9 Note:
Í
 p xi =
Íp xf õ

 0.4
kg·m/s

=

(0.1
kg+0.3
kg)
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This note was uploaded on 07/31/2008 for the course PHY 7b taught by Professor Taylor during the Winter '08 term at UC Davis.

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Quiz6 - Physics 7B-A/B Codes grading use only Quiz 6 DL sec...

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