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Physics
Physics
Problem
A boat changes its velocity from
(
4.0
i
^
+
0
j
^
)
m/s
(4.0\,\hat i + 0\,\hat j)\,\text{m/s}
(
4.0
i
^
+
0
j
^
)
m/s
to
(
2.0
i
^
+
3.0
j
^
)
m/s
(2.0\,\hat i + 3.0\,\hat j)\,\text{m/s}
(
2.0
i
^
+
3.0
j
^
)
m/s
in
5.0
s
5.0\,\text{s}
5.0
s
. What is the magnitude of the boat’s average acceleration during this interval? a)
1.0
m/s
2
1.0\,\text{m/s}^2
1.0
m/s
2
b)
0.60
m/s
2
0.60\,\text{m/s}^2
0.60
m/s
2
c)
0.72
m/s
2
0.72\,\text{m/s}^2
0.72
m/s
2
d)
1.44
m/s
2
1.44\,\text{m/s}^2
1.44
m/s
2
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