A man weighs 645 N on Earth. What is his mass? -9.80 kg -145 kg -65.8 kg -6320 kg

asked Apr 8, 2017 195k views

1 vote

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

-9.80 kg
-145 kg
-65.8 kg
-6320 kg

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7 votes

The answer to this question is 65.8

Annachiara answered Apr 10, 2017

6.4k points

4 votes

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

James Jackson answered Apr 14, 2017

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