Questions
A mass m attached to a spring oscillates every 2 sec. If the mass is increased by 2 kg, then time-period increases by 1 sec. The initial mass is
detailed solution
Correct option is A
T=2πmk⇒T2T1=m2m1⇒32=m+2m⇒94=m+2m⇒m=85kg=1.6 kgTalk 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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