# String and spring over block

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The blue box in the figure has a mass of 38 kg. To the nearest newton, what is the tension in the rope?

If the spring has a spring constant of 515 N/m, to the nearest tenth of a cm how far is it stretched?

See the attached file.

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#### Solution Preview

Assuming the usual assumptions, that there is not friction, massless rope and spring, the rope must have the same tension T in all its parts. Therefore 2T from the two branches of the rope ...

#### Solution Summary

The solution assists with determining the tension in the rope and how far the spring constant has stretched.

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