32.
REASONING
AND
SOLUTION
According to Equations 4.4 and 4.5, the
acceleration due to gravity at the surface of the neutron star is
11
2
2
30
12
2
2
3
2
(6.67
10
N m
/ kg )(2.0
10
kg)
5.3
10
m/s
(5.0
10 m)
Gm
a
r
−
×
⋅
×
=
=
=
×
×
Since the gravitational force is assumed to be constant, the acceleration will be
constant and the speed of the object can be calculated from
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 Spring '08
 SOFFER
 General Relativity, m/s, Standard gravity

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