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Q 26 I don't get the solving. Please explain precisely

Q 26
I don't get the solving. 
Please explain precisely 

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Grade:12

2 Answers

Nikhil Rana
15 Points
5 years ago
Listen  brother, there are 2 parts of it first accuracy and second precise
Let imagine a archery board in ur mind and u have to take a aim in centre ,and u have only 2 arrow 
Then imagine that first arrow is very close to arrow it is called the accuracy and second arrow is have  more distance as compare to 1 arrow it is called precise .
Expecting u got it
Eshan
askIITians Faculty 2095 Points
5 years ago
Dear student,

From no slipping condition,v=R\omega

Angular momentum of body about origin=\vec{L}=m\vec{r}\times \vec{p_{CM}}+I_{CM}\omega

=mRv_{CM}+\dfrac{1}{2}mR^2\omega

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