How do the positions of sunrise and sunset change from winter to summer in the southern hemisphere?​

Apackage is projected up a 15° incline at a with an initial velocity of 8 m/s. knowing that the coefficient of kinetic friction between the package and the incline is 0.12, determine (a) the maximum distance d that the package will move up the incline, (b) the velocity of the package as it returns to its original position.