ICSE Class 10 Answered
ch. work
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Asked by nilesh.dhote74 | 27 Apr, 2020, 17:57: PM
Volume of water= 50 L=50 x10-3 m3
Density of water= 1000kgm-3
Mass of water= Volume of water x density of water
= 50 x10-3 x1000= 50kg
Work done in raising 50kg water to a height of 25m against the force of gravity is:
W = mg x h= mgh
![P o w e r space equals space fraction numerator w o r k space d o n e over denominator t i m e space t a k e n end fraction space equals space fraction numerator m g h over denominator t end fraction space equals space fraction numerator 50 cross times 10 cross times 25 over denominator 5 end fraction space equals space 2500 space W space equals space 2.5 space k W](https://images.topperlearning.com/topper/tinymce/cache/fb3bda2b6f8bf17824a4426dd8887a67.png)
Answered by Shiwani Sawant | 27 Apr, 2020, 19:12: PM
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