Posted by **Anonymous** on Friday, October 8, 2010 at 12:36pm.

Zach, whose mass is 69 kg, is in an elevator descending at 10 m/s. The elevator takes 2.5 s to brake to a stop at the first floor.

(a) What is Zach's apparent weight before the elevator starts braking?

1 N

- physics -
**nathan**, Sunday, February 19, 2012 at 4:35pm
69 * 9.8 = 676.2 N

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