A delivery man starts at the post office, drives 45 km north, then 25 km west, then 65 km northeast, and finally 35 km north to stop for lunch. Use the analytical method to determine the following. (Assume the +x-axis is to the east and the +y-axis is to the north.) (a) Find his net displacement vector (in km). D = km (b) How far is the restaurant from the post office (in km)? (Give the straight-line distance.) km (c) If he returns directly from the restaurant to the post office, what is his displacement vector (in km) on the return trip? Dret = km (d) What is his compass heading on the return trip? (Give your answer in degrees counterclockwise from the east axis.) ° counterclockwise from the east axis

A delivery man starts at the post office, drives 45 km north, then 25 km west, then 65 km northeast, and finally 35 km north to stop for lunch. Use the analytical method to determine the following. (Assume the +x-axis is to the east and the +y-axis is to the north.) (a) Find his net displacement vector (in km). D = km (b) How far is the restaurant from the post office (in km)? (Give the straight-line distance.) km (c) If he returns directly from the restaurant to the post office, what is his displacement vector (in km) on the return trip? Dret = km (d) What is his compass heading on the return trip? (Give your answer in degrees counterclockwise from the east axis.) ° counterclockwise from the east axis

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter2: Vectors

Section: Chapter Questions

Problem 29P: A delivery man starts at the post office, chives 40 km north, then 20 km west, then 60 km northeast,...

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