Homework Problems
1. The figure shows vectors A and B. Graphically calculate the following:
A+B, AB, BA, 2B, A2B
No numbers are involved.
2. Phnom Penh is 470 km east and 250 km south of Bangkok. Hanoi is
60 km east and 1030 km north of Phnom Penh. (a) Choose a coordinate
system, and translate these data into
x and
y values with the proper plus
and minus signs. (b) Find the components of the
r vector pointing
from Bangkok to Hanoi.
3 . If you walk 35 km at an angle 25
counterclockwise from east, and
then 22 km at 230
counterclockwise from east, find the distance and
direction from your starting point to your destination.
Problem 1.
SA solution is given in the back of the book.A difficult problem.
A computerized answer check is available.
A problem that requires calculus.
Chapter 7Vectors
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