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

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

User Evelise
by
8.1k points

2 Answers

7 votes

The answer to this question is 65.8

User Annachiara
by
7.8k points
4 votes
Weight = mass * gravitional acceleration
645 = m * 9.8
m= 65.816 kg
it is the third answer 65.8 kg
User James Jackson
by
7.5k points
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