Answer :

The answer to this question is 65.8

Thanks for taking the time to read A man weighs 645 N on Earth What is his mass A 9 80 kg B 145 kg C 65 8 kg D 6320 kg. We hope the insights shared have been valuable and enhanced your understanding of the topic. Don�t hesitate to browse our website for more informative and engaging content!

Rewritten by : Barada

Weight = mass * gravitional acceleration
645 = m * 9.8
m= 65.816 kg
it is the third answer 65.8 kg