A block of mass m = 2.00 kg is attached to a spring of force constant k = 410 N/m as shown in the figure below. The block is pulled to a position x, = 5.90 cm to the right of equilibrium and released from rest. k r-- x= 0 x= x, (a) Find the speed the block has as it passes through equilibrium if the horizontal surface frictionless. m/s (b) Find the speed the block has as it passes through equilibrium (for the first time) if the coefficient of friction between block and surface is H = 0.350. m/s Need Help? Read It Watch It

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