Verified Answer :

Elastic potential energy=1/2kx^2 (k is constant and x is how far it has to be stretched. So 48=1/2(256)x^2 which is 0.6123

We have that a spring has a spring constant of 256 n/m Must be stretched a distance d to give it an elastic potential energy of 48 j

Where

d=0.6123


From the question we are told


Generally the equation for the Elastic potential energy  is mathematically given as

\(d=0.6123\)

Where

\(48=\frac{1}{2}(256)d^2\)

d=0.6123

Therefore

A spring has a spring constant of 256 n/m Must be stretched a distance d to give it an elastic potential energy of 48 j

Where

d=0.6123


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