Chapter 2. Physics HE

PHY1025

HOMEWORK (6 points)

Name:

CHAPTER 0: MATH BACKGROUND

Algebra

1. a) Calculate the slope of the line represented in the figure below. Attention with the slope sign.

b) Calculate the angle

Trigonometry

2. Calculate the size of the sides x and y of the following rectangle

Vectors

3. Given the size and direction of the vector a and b, calculate the size and direction of a vector c = a + b

Givens

a = 2

b = 5

Asked

a) c – direction (just draw the vector c)

b) c – size (SHOW your WORK)

Case 1

Case 2

Case 3

Case 4

2