Solve the all parts of given question:
Question: As you walk to class with a constant speed of 1.95 m/s, you are moving in a direction that is 20.5 degrees north of east.
Part A: How much time does it take to change your displacement by 24.0m east?
Part B: How much time does it take to change your displacement by 35.0m north?
Please explain your answer. I know substitution is involved so be sure to give a detailed explanation on that as well.