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7 April, 23:40

A 90-kg astronaut biologist searches for microbial life on Mars where the gravitational acceleration is g = 3.71 m/s2. What is the weight of the astronaut in units of N and lbf?

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  1. 7 April, 23:46
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    M = 90 kg,

    On Mars: g = 3.71 m/s²

    Weight = m · g = 90 kg · 3.71 m/s² = 333.9 N

    1 N = 0.2248 lbf

    333.9 · 0.2248 = 75.06072 lbf ≈ 75 lbf
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