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Mathematics
Problem
Which of the following expressions gives the average velocity (in m/s) of a particle whose position is
s
(
t
)
s(t)
s
(
t
)
on the interval
[
2
,
7
]
[2,7]
[
2
,
7
]
? a)
v
(
7
)
+
v
(
2
)
2
\dfrac{v(7)+v(2)}{2}
2
v
(
7
)
+
v
(
2
)
b)
∫
2
7
s
(
t
)
d
t
5
\dfrac{\displaystyle\int_{2}^{7}s(t)\,dt}{5}
5
∫
2
7
s
(
t
)
d
t
c)
s
(
7
)
−
s
(
2
)
5
\dfrac{s(7)-s(2)}{5}
5
s
(
7
)
−
s
(
2
)
d)
v
(
7
)
−
v
(
2
)
5
\dfrac{v(7)-v(2)}{5}
5
v
(
7
)
−
v
(
2
)
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