©Prep101
Phys1026 April Exam Solutions
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1
1
O
SCILLATIONS
P
RACTICE
Q
UESTIONS
Question 1
Solution:
Part A:
Hz
s
rad
f
f
6
.
1
2
3
2
2
=
=
=
→
=
π
π
π
ω
π
ω
s
T
f
T
63
.
0
1
=
→
=
Part B:
(
)
(
)
(
) (
)
002
.
0
0
.
5
2
63
.
0
2
2
2
2
2
2
=
=
=
→
=
kg
s
m
T
k
k
m
T
π
π
π
Part C:
( )
s
m
t
dt
dx
t
v
⎟
⎠
⎞
⎜
⎝
⎛
−
−
=
=
3
2
.
3
sin
8
.
12
π
π
π
Therefore the maximum velocity is 12.8
m/s
.
Part D:
( )
2
3
2
.
3
cos
41
s
m
t
dt
dx
t
a
⎟
⎠
⎞
⎜
⎝
⎛
−
−
=
=
π
π
π
Therefore, the maximum acceleration is 41
m/s
2
.

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