CBSE Class 11-science Answered
plz elaborate by figure and step by step question no 5
![question image](http://images.topperlearning.com/topper/new-ate/top_mob15885937761708757459b17643bb-5378-4c23-86e2-be7f9b91edd5.jpg)
Asked by Harshhacker2580 | 04 May, 2020, 17:32: PM
![](https://images.topperlearning.com/topper/tinymce/imagemanager/files/ac20756a5839f76038508ce2aa13d68b5eb03ded5008d0.50299628pulleyATE.png)
![W h e n space M space s t r k e s space t h e space w a l l comma space t h e space v e r t i c a l l y space d o w n w a r d space c o m p o n e n t space o f space i t s space d i s p l a c e m e n t space f r o m space i n i t i a l space p o s i t i o n space i s space 1 space m space
a n d space i t s space d i s tan c e space f r o m space p u l l e y space i s
equals space square root of 1 squared plus 2 squared end root space equals space square root of 5 space m space
A s space t h e space d i s tan c e space f r o m space t h e space p u l l e y space o f space m a s s space M space i s space 1 space m comma space i t s space v e r t i c a l space u p w a r d space d i s p l a c e m e n t space o f space m a s s space m space i s space left parenthesis square root of 5 minus 1 right parenthesis space m
L e t space M space s t r i k e space t h e space w a l l space w i t h space v e l o c i t y space v comma space
T h e space v e l o c i t y space o f space m space w h e n space M space s t r i k e s space t h e space w a l l space i s space equals V space cos theta space
cos theta space equals space fraction numerator 2 over denominator square root of 5 end fraction
b y space l a w space o f space c o n s e r v a t i o n space o f space e n e r g y comma space
l o s s space i n space P. E. o f space M space equals space I n c r e a s e space i n space P. E. o f space m space plus space K. E. space o f space M space equals space K. E. space o f space m space
T h u s comma space
M g space cross times 1 space equals space m g left parenthesis square root of 5 minus 1 right parenthesis space plus space 1 half space m left parenthesis V cos theta right parenthesis squared space space space space T h u s comma space
V space equals space 5 space square root of fraction numerator 5 minus square root of 5 over denominator 6 end fraction end root space equals space 3.4 space m divided by s](https://images.topperlearning.com/topper/tinymce/cache/7bb236d45e693f6c54e8eb273e50c91f.png)
Answered by Shiwani Sawant | 04 May, 2020, 21:39: PM
Concept Videos
CBSE 11-science - Physics
Asked by veenasangeeth2020 | 30 Jan, 2024, 09:56: AM
CBSE 11-science - Physics
Asked by abdulkhadirchajjo549 | 06 Dec, 2023, 18:55: PM
CBSE 11-science - Physics
Asked by anushkaverma.25707 | 24 Aug, 2023, 19:35: PM
CBSE 11-science - Physics
Asked by sakethrockzz007 | 04 Aug, 2023, 23:17: PM
CBSE 11-science - Physics
Asked by dhruvund8769 | 04 Feb, 2023, 23:41: PM
CBSE 11-science - Physics
Asked by vaniimtiyaz630 | 12 May, 2022, 00:19: AM
CBSE 11-science - Physics
Asked by bandarirohinipriya | 08 Feb, 2022, 21:46: PM
CBSE 11-science - Physics
Asked by ayushmishradbb | 11 Jun, 2020, 09:07: AM
CBSE 11-science - Physics
Asked by mahanteshsurpur5 | 07 May, 2020, 08:13: AM
CBSE 11-science - Physics
Asked by Harshhacker2580 | 04 May, 2020, 17:32: PM