Posted by **Anonymous** on Thursday, December 13, 2012 at 9:30pm.

Tom has a mass of 72.2 kg and Sally has a

mass of 49.4 kg. Tom and Sally are standing

17.4 m apart on a massless dance ﬂoor. Sally

looks up and she sees Tom. She feels an

attraction.

If the attraction is gravitation, ﬁnd its magnitude. Assume both can be replaced by

spherical masses and that the gravitational

constant is 6.67259 × 10

−11

N · m2

/kg

2

.

Answer in units of N

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