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30 March, 14:01

An object on Earth's surface has a weight of 609 N. What is its mass?

64.6 kg

62.1 kg

63.3 kg

60.9 kg

+2
Answers (1)
  1. 30 March, 16:28
    0
    62.1 kg

    Explanation:

    Weight = mass * acceleration

    609 N = mass * (9.8)

    The acceleration is 9.8 because that is the acceleration of gravity.

    Divide both sides by 9.8 to isolate the mass.

    609N/9.8 = mass

    62.1 kg = mass
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