How would you solve these two problems ?

Sliding Block A block of mass m = 5 kg is released from rest at the top of a rough (Mk > 0) incline of length L = 10 meters which makes an m angle of 20 above the horizontal. The block reaches the end of the incline after 5 seconds. a. Draw a complete free-body diagram for the block in the space below. Make sure to clearly label each force arrow. m b. What is the coefficient of kinetic friction