Newton's laws 8.2: Additional Question 7


Description

An elevator accelerates upward for one second, travels at constant velocity, and then decelerates one second prior to reaching its destination such that it comes to rest (position is in meters and time is in seconds). 

Question

If a 50-kg woman stands on a scale in the elevator, what will the scale read when t is between 0 and 1 second? Start   Help 

Answer

590N.

Reference

See Giancoli-PA: 4-7, Giancoli-SE: 4-7.

Credits

Physlet problem authored by  Mario Belloni.

2000 by Prentice-Hall, Inc. A Pearson Company