. A 50 kg boy stands on a platform spring scale in a lift that is going down with a constant speed 3ms-. If the lift is brought to rest by a constant deceleration in a distance of 9m, what does the scale read during this period? (Take, g = 9.8ms) (a) 500 N (c) 515 N (b) 465 N (d) zero

College Physics
11th Edition
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Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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.A 50 kg boy stands on a platform spring scale in a lift that is
brought to rest by a constant deceleration in a distance of
going down with a constant speed 3ms-'. If the lift is
9m, what does the scale read during this period?
(Take, g = 9.8ms-2)
(a) 500 N
(c) 515 N
%3D
(b) 465 N
(d) zero
Transcribed Image Text:.A 50 kg boy stands on a platform spring scale in a lift that is brought to rest by a constant deceleration in a distance of going down with a constant speed 3ms-'. If the lift is 9m, what does the scale read during this period? (Take, g = 9.8ms-2) (a) 500 N (c) 515 N %3D (b) 465 N (d) zero
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