Solve the all parts of given question:
Question: Jim's dog Sparky runs 55.0m northeast to a tree, then 75.0m west to a second tree, and finally 15.0m south to a third tree.
Part I: Calculate Sparky's net displacement vector.
Part II: Calculate the magnitude of Sparky's net displacement.
Part III: Calculate the direction of Sparky's net displacement.
I am need of complete solution for this question please help- me out to get right answer.