A 0.31kg block rest on a orizonal surface and is attached to a spring (constant=41 N/m ). The block is initially moved 9cm from equillibrium position and is released. As the block oscillated, there is a frition force of 0.4 N between the oscillating block and surface. Calcualte the block's speed web it goes through the equilibrium pasiotion after ebing released from 9-cm desplacement pint, Assume the block underges simple harmonic motion. 0.681 m/s 2.266 m/s 0.916 m/s 1.034 m/s none

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