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5 votes
A man weighs 645 N on Earth. What is his mass?

User Ni Xiaoni
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2 Answers

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To convert from newtons to kg in earth gravity, simply divide by 10 (or 9.8 if being specific). 645N = ~64.5kg 
User Thingamabobs
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5 votes
I think it's 65.8 Kg
User David Duman
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