Tom has a mass of 69.9 kg and Sally has a mass of 43.4 kg. Tom and Sally are standing 30.5 m apart on a
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Tom has a mass of 69.9 kg and Sally has a mass of 43.4 kg. Tom and Sally are standing 30.5 m apart on a

[From: ] [author: ] [Date: 11-11-21] [Hit: ]
67259 × 10^(−11)m^3/kg.= 6.67259 × 10^(−11)(43.4*69.9/30.= 2.......
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 · m^2/kg^2.
Answer in units of N

-
F = G(m1m2/r^2)

*mass stays in Kg, G = 6.67259 × 10^(−11)m^3/kg.s^2

= 6.67259 × 10^(−11)(43.4*69.9/30.5^2)
= 2.176x 10^-10 N
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