A solid sphere rolls without slipping and presses a spring of spring constant $'k'$ as shown in figure. Then, the compression in the spring will be :-
A solid sphere rolls without slipping and presses a spring of spring constant $'k'$ as shown in figure. Then, the compression in the spring will be :-
- A
$v\sqrt {\frac{{2m}}{{3k}}} $
- B
$v\sqrt {\frac{{5k}}{{7m}}} $
- C
$v\sqrt {\frac{{2m}}{{5k}}} $
- D
$v\sqrt {\frac{{7m}}{{5k}}} $
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