08.48: A block of mass M on a horizontal surface is c
o)4jedb x1/nxmo/ vq 6 (rct6gonnected to the end of a massless spring of spring constant k. The block is pulled a distance x from equilibrium and when released from rest, the block moves toward equilibrium. What minimum c
dtb)6mqx1rngve/j 4(6 o cox/oefficient of kinetic friction between the surface and the block would prevent the block from returning to equilibrium with non-zero speed?