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Grade 12th passWave Motion

A body of mass 4kg hangs from a spring and oscillates with a period 0.5 seconds. On removal of the body the spring shortens by how much?

Profile image of swati
11 Years agoGrade 12th pass
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2 Answers

Profile image of Saurabh Kumar
11 Years ago
At equilibrium, mg = kxeqv

Xeqv = mg/k

Restoring force is developed due to application of extra force during extension.
Profile image of Rahul shah
7 Years ago
Hello, 
We know that, T=2π(√m/k)
Putting the value of T, m, after we get 
K=64x9.9~64x10
Then use formula.kx=mg.
X=6.2cm