7)
a
a
T
W
1
=m
1
g
30
o
a
m
2
g
T
a
N
a
N
W
y
T
W
x
T-W
x
=m
1
a
(1)
W
x
=W
1
sin30
o
W
y
=W
1
cos30
o
m
2
g-T=m
2
a
(2)
add (1) & (2): and substitute to get the answer:
a = 0.69 m/s
2
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