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Posted by on Sunday, July 10, 2011 at 9:03am.

A person stands on a bathroom scale in a motionless elevator begins to move,the scale briefly reads only 0.75 of th person regular weight(means Fn=0.75mg).Calculate the acceleration of the elevator,and find the direction of acceleration.

  • physic - , Monday, October 24, 2011 at 8:53pm

    2.5 m/s2, down

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