Q11. Riley's mass is 60 kg. He is standing on a bathroom scale in an elevator. At a certain instant, the scale reads 720 N. What is the acceleration of the elevator at this instant? A. 10 m/s², up B. 10 m/s², down C. 20 m/s², up D. 20 m/s², down E. 2.0 m/s², up F. 2.0 m/s², down G. 1.0 m/s², up H. 1.0 m/s2, down I A
Q11. Riley's mass is 60 kg. He is standing on a bathroom scale in an elevator. At a certain instant, the scale reads 720 N. What is the acceleration of the elevator at this instant? A. 10 m/s², up B. 10 m/s², down C. 20 m/s², up D. 20 m/s², down E. 2.0 m/s², up F. 2.0 m/s², down G. 1.0 m/s², up H. 1.0 m/s2, down I A
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Transcribed Image Text:Q11. Riley's mass is 60 kg. He is standing on a bathroom scale in an elevator. At a certain instant,
the scale reads 720 N. What is the acceleration of the elevator at this instant?
A. 10 m/s², up
B. 10 m/s², down
C. 20 m/s², up
D. 20 m/s², down
E. 2.0 m/s², up
F. 2.0 m/s², down
G. 1.0 m/s², up
H. 1.0 m/s², down
I. None of the above
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