3.A block, initially travelling at 8 m/s at point A, slides down a 20. incline plane a distance of 10 m. If the coefficient of kinetic friction is k = 0.50, what will be the velocity of the block, VB, at position B? (Do a FBD of the block and make the y-axis perpendicular to the incline plane)

Fig: 1

Fig: 2