ICSE Class 10 Answered
conpare the worl done
![question image](http://images.topperlearning.com/topper/new-ate/top_mob158799172897883402883039b6f-c1fa-45a7-8b1e-75a755889c70.jpg)
Asked by nilesh.dhote74 | 27 Apr, 2020, 18:18: PM
(i) The work done by persons A and B is independent of time. Hence both A and B will do the same amount of work.
Hence,
![fraction numerator W o r k space d o n e space b y space A over denominator W o r k space d o n e space b y space B space end fraction space equals space 1 colon 1](https://images.topperlearning.com/topper/tinymce/cache/b868575f2515f3dd69e5d66adca422e8.png)
(ii)Power developed by the person A and B is calculated as follows:
A takes 20 s to climb the stairs while B takes 15 s, to do the same. Hence B does work at a much faster rate than A; more power is spent by B.
Answered by Shiwani Sawant | 27 Apr, 2020, 18:42: PM
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