- #1

ipwnj00

- 3

- 0

## Homework Statement

A Hiker travels in the following directions

i) 3.2 Km ( N 42 W)

ii) 2.1 Km ( W 12 S )

iii) 1.9 Km ( E 62 N)

A) what is the resulting displacement?

## Homework Equations

## The Attempt at a Solution

A)

X Dir

3.2 sin 42 = 2.14

2.1 cos 12 = 2.05

1.9 cos 62 = .89

total = .94 <<<<<, Total is wrong :(

Y Dir

3.2 Cos 42 = 2.38

2.1 sin 12 = .44

1.9 sin 62 = 1.68

.26 <<< Total is wrong too

Can anyone explain on the X and Y Directions, Like where to Use positive and Negative Sign. I really Need help with this :P Beacuse it confuses me that were should i use the signs other than that rest is perfect.

Thanks for the help In Advance ^.^