ex. 2c q 6

Asked by nilesh.dhote74 | 30th Apr, 2020, 05:07: PM

Expert Answer:

K. E space a t space m e a n space p o s i t i o n space equals space 1 half m v squared space
equals space 1 half m open parentheses 5 close parentheses squared space
L o s s space o f space e n e r g y space equals space space 1 half m open parentheses 5 close parentheses squared space cross times 60 over 100 space
E n e r g y space a v a i l a b l e space equals space 40 over 100 space cross times 1 half m open parentheses 5 close parentheses squared space

A c c o r d i n g space t o 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

40 over 100 space cross times 1 half m open parentheses 5 close parentheses squared space space equals space m g h space
5 space equals space 10 space h space... space left parenthesis space g space equals space 10 space m divided by s squared right parenthesis
space h space equals 0.5 space m space 
 
Thus, the maximum height the bob will reach is 0.5 m 

Answered by Shiwani Sawant | 30th Apr, 2020, 05:46: PM