Question: A delivery man starts at the post office, drives 40 km north, then 20 km west, then 60 km northeast, and finally 50 km

A delivery man starts at the post office, drives 40 km north,

A delivery man starts at the post office, drives 40 km north, then 20 km west, then 60 km northeast, and finally 50 km north to stop for lunch. Use the analytical method to determine the following: (a) Find his net displacement vector. (b) How far is the restaurant from the post office? (c) If he returns directly from the restaurant to the post office, what is his displacement vector on the return trip? (d) What is his compass heading on the return trip? Assume the +x-axis is to the east.

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