Vectors

A vector represents:

• physical quantities

• scalar quantities

• vector quantities

• the three previous answers

These kinds of quantities have only magnitute

• physical quantities

• vector quantities

• scalar quantities

• vecorial quantities

It's an example of scalar quantity

• Momentum

• Weight

• Energy

• Acceleration

It's an example of vector quantity

• Work

• Force

• Energy

• Power

A vector has...

• two components (x and y)

• one component (y)

• one component (x)

• length and degrees

In order to find the x-component of a vector with magnitute 7 m and angle 30° we will use the formula...

• cos (30)

• sin(30)

• 7*sin(30)

• 7*cos(30)

In order to find the y-component of a vector with magnitute 7 m and angle 30° we will use the formula...

• cos (30)

• sin(30)

• 7*sin(30)

• 7*cos(30)

What's the x-component of the following vector (13 m/s , 55°)

• 10.64 m/s

• 0.28 m/s

• 7.45 m/s

• 20 m/s

The following vector (5 N, 290°) will be drawn on the _____ quadrant

• first

• second

• third

• fourth

What's the y-component of the following vector (8 N , 200°)

• -7.51 N

• 2.73 N

• -2.73 N

• -6.98 N