A block of mass 2 kg is attached to one end of a massless spring whose
other end is fixed at a wall. The spring-mass system moves on a frictionless horizontal table. The spring's natural length is 2 m and spring constant is 
. The block is pushed such that the length of the spring becomes 1 m and then released. At distance 
from the wall. the speed of the block will be :
Text Solution
Verified by ExpertsB
Given, Natural length of spring 
Initial compression in spring 
Final compression in spring 
Using energy conservation
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