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Physics 7 Online
OpenStudy (anonymous):

A man weighs 645 N on Earth. What is his mass? 145 kg 65.8 kg 6320 kg

OpenStudy (anonymous):

@Abhisar

OpenStudy (anonymous):

is it 145?

OpenStudy (anonymous):

\[\color{green}{\vec{F}_g = \text{m}\vec{g} }\]\[\color{green}{-645~\text{N} = \text{m}(-9.8~\text{m/s}^2)}\] and solve for m

OpenStudy (anonymous):

oh so its 65.8 kg?

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