Questions
A spring of spring constant k is cut into n equal parts, out of which r parts are placed in parallel and connected with mass M. The time period of oscillatory motion of mass M is
detailed solution
Correct option is A
k⋅l=k′×ln= constant New spring constant for each part is k′=nkNow r part are taken in Parallel. so keq=nrk Time period =2πMkeq=2πMnrkTalk to our academic expert!
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An ideal spring with spring-constant K is hung from the ceiling and a block of mass M is attached to its lower end. The mass is released with the spring initially unstretched. Then the maximum extension in the spring is
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