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Physics
Physics
Problem
In a certain region of space the magnitude of gravitational field intensity varies with radial distance
r
r
r
(in metres) according to
g
(
r
)
=
24
r
2
N kg
−
1
g(r)=\dfrac{24}{r^{2}}\,\text{N kg}^{-1}
g
(
r
)
=
r
2
24
N kg
−
1
. Determine the gravitational potential difference
V
(
3
m
)
−
V
(
8
m
)
V(3\,\text{m})-V(8\,\text{m})
V
(
3
m
)
−
V
(
8
m
)
.
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