Questions
A mass M is suspended from a spring of negligible mass. The spring is pulled a little and then released so that the mass executes SHM of time period T. If the mass is increased by ‘m’ the time period becomes , then the ratio of is
detailed solution
Correct option is C
As time period T=2πMK------(1)new time period when mass m is added,T1=2πM+mK5T3=2πM+mK---------(2)Dividing equation (1) by equation (2), we get35=MM+m squaring on both sides,925=MM+m9M+9m=25M16M=9mmM=169.Talk 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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