A block is fastened to a horizontal spring. The block is pulled to a distance x = 10 cm from its equilibrium position (at x = 0) on a Motionless surface from rest. The energy of the block at x = 5 cm is 0.25 J. The spring constant of the spring is _______Nm -1
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CHECK THE SOLUTION.
(67)
= 67 N/m
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