Questions
A mass m is suspended separately by two different springs of spring constant K1 and K2 gives the time-period and respectively. If same mass m is connected by both springs as shown in figure then time-period t is given by the relation
detailed solution
Correct option is D
t1=2πmK1 and t2=2πmK2Equivalent spring constant for shown combination is K1 + K2. So time period t is given by t=2πmK1+K2By solving these equations we get t−2=t1−2+t2−2Talk 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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