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Physics
Physics
Problem
A
5.0
kg
5.0\,\text{kg}
5.0
kg
crate on a frictionless horizontal surface is pulled to the right by a
12
N
12\,\text{N}
12
N
force and simultaneously to the left by a
7
N
7\,\text{N}
7
N
force. What is the magnitude of the crate’s acceleration? a)
2.4
m
/
s
2
2.4\,\text{m}\!/\!\text{s}^2
2.4
m
/
s
2
b)
0
m
/
s
2
0\,\text{m}\!/\!\text{s}^2
0
m
/
s
2
c)
1.0
m
/
s
2
1.0\,\text{m}\!/\!\text{s}^2
1.0
m
/
s
2
d)
3.8
m
/
s
2
3.8\,\text{m}\!/\!\text{s}^2
3.8
m
/
s
2
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