VECTORS INTRODUCTION

Find the bearing of -i+j

• 315^o

• 045^o

• 040^o

• 225^o

Find the bearing of 3i+4j

• 053^o

• 037^o

• 073^o

• 143^o

Find the bearing of -i-2j

• 207^o

• 063^o

• 173^o

• 153^o

Find the bearing of 4i+3j

• 037^o

• 053^o

• 073^o

• 143^o

Find the bearing of -2i-j

• 027^o

• 117^o

• 297^o

• 243^o

Find the magnitude of 2i-3j

• 3.6

• 3.5

• 4.0

• 9.4

Answer explanation

Use pythagoras. It's simple.

Find the resultant of the following forces: 2i+3j, i-4j, -2i-j and -5j

• i-7j

• 7i-j

• -4i-7j

• 4i+7j

Answer explanation

Add all the i and all the j

How should you add two vectors? Select all that apply

• Add them head to tail

• Add them tail to tail

• don't why bother

• Use the parallelogram method

• Add them head to head

Which are equivalent vectors?

• u and -u

• u and a

• u and v

• u and b

Check out this super cool vector (☞ﾟヮﾟ)☞

Calculate the horizontal component of the velocity

• 69 m/s

• 20 m/s

• 35 m/s

• 23 m/s