A mass of 429g is on a horizontal surface with mu_k=0.160, and is in contact wit

Question

A mass of 429g is on a horizontal surface with mu_k=0.160, and is in contact with a lightweight spring with a spring constant of 646N/m which is compressed. When the spring is released, it does 5.46J of work on the mass while returning to its equilibrium position. Calculate the distance the spring was compressed. Thanks A mass of 429g is on a horizontal surface with mu_k=0.160, and is in contact with a lightweight spring with a spring constant of 646N/m which is compressed. When the spring is released, it does 5.46J of work on the mass while returning to its equilibrium position. Calculate the distance the spring was compressed. Thanks

Explanation / Answer

0.5*K*A^2 = 5.46

0.5*646*A^2 = 5.46

A = 0.13 m

A = 13 cm

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