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Section 10.4
(Homework)
GRAHAM JONATHAN TIMOTHY
MA 242, section 013, Fall 2005
Instructor: Frank Ingram
North Carolina State University
About this Assignment
Due:
Thursday, September 15, 2005 11:59 PM EDT
Current Score:
18.5 out of 18.5
Question Score
Description
Motion in
Space
pts
subs
1
1/1
1/20
2
1/1
1/20
3
1/1
1/20
4
1/1
1/20
5
1/1
1/20
6
1/1
1/20
7
1/1
1/20
7/7
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1.
[SCalcCC2 10.4.10.]
Find the velocity, acceleration, and speed of a particle with the
given position function.
r
(
t
) = <2 cos
t
, 3
t
, 2 sin
t
>
v
(
t
) = <2*sin(t)
[2*sin(t)]
,3
[3]
,2*cos(t)
[2*cos(t)]
>
a
(
t
) = <2*cos(t)
[2*cos(t)]
,0
[0]
,
2*sin(t)
[2*sin(t)]
>

v
(
t
) = 3.61
[3.61]
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Notes
pts
subs
1
1/1
1/20
2
1/1
1/20
3
1/1
3/20
4
1/1
3/20
5
1/1
3/20
6
1/1
3/20
6/6
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Notes
2.
[SCalcCC2 10.4.14.]
Find the velocity and position vectors of a particle that has the
given acceleration and the given initial velocity and position.
a
(
t
) = 10
k
,
v
(0) =
i
+
j

k
,
r
(0) = 2
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 Spring '08
 Mccollum
 Velocity, North Carolina State University, North Carolina State, Carolina State University, Frank Ingram

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