A person of mass M=80 kg stands on a scale inside an elevator to measure her apparent weight. What will her apparent weight be if the elevator moving up with an initial velocity V = (4j) m/s slows down under constant acceleration to stop in a distance d=4m ? (Acceleration due to Earth's gravity is ở = (- 10) m/s² ) %3D 320 N 480 N 640 N 960 N 1280 N

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter4: The Laws Of Motion
Section: Chapter Questions
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A person of mass M-80 kg stands on a scale inside an elevator to measure her apparent
weight. What will her apparent weight be if the elevator moving up with an initial velocity
V = (4j) m/s slows down under constant acceleration to stop in a distance
d=4m ? (Acceleration due to Earth's gravity is ở = (– 1oj) m/s² )
320 N
480 N
640 N
960 N
1280 N
Transcribed Image Text:A person of mass M-80 kg stands on a scale inside an elevator to measure her apparent weight. What will her apparent weight be if the elevator moving up with an initial velocity V = (4j) m/s slows down under constant acceleration to stop in a distance d=4m ? (Acceleration due to Earth's gravity is ở = (– 1oj) m/s² ) 320 N 480 N 640 N 960 N 1280 N
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