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Questions  

When a body of mass 1.0 kg is suspended from a certain light spring hanging vertically, its length increases by 5 cm. By suspending 2.0 kg block to the spring and if the block is pulled through 10 cm and released, the maximum velocity of it in m/s is (g = 10m/s2)

a
0.5
b
1
c
2
d
4

detailed solution

Correct option is B

K=mgx;T=2πmK,ω=Km,Vmax=Aω

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