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May 28, 2015

Homework Help: physics

Posted by Brandon on Sunday, February 20, 2011 at 10:53pm.

3 part question:

A 52-kg girl weighs herself by standing on a scale in an elevator. What does the scale read when:

a.)the elevator is accelerating downward at 2.5 m/s2?

b.)the elevator is accelerating upward at 2.5 m/s2?

c.)the elevator is ascending at 10 m/s but its speed is decreasing by 6 m/s in each second?

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