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OpenStudy (anonymous):
a 70kg man stands in an elevator on a scale (for some unknown reason, what a weirdo) if the elevator accelerates downward at 0.9m/s what would the scale read? I got 623 newtons so 63kg but idk if that's even close.
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OpenStudy (anonymous):
The acceleration of the elevator is downwards, which means it is subtracted from the acceleration of gravity. Therefore, a = 9.8 - 0.9. Plug this value into Newton's Second Law and wahla!
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