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August 23, 2014

Homework Help: physics

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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