Magnitude of a vector

Find the component form of AB with initial point A(1, -3) and terminal point B(1, 3)

• <2, 0>
• <0, 6>
• 2i
• 6j

Find the magnitude of AB if the initial point is (-3, 1) and the terminal point is (3, 9).

• 6
• 8.2
• 10
• 10.4

Find the magnitude of the vector <-4, -6>.

• 7.211
• 52
• 3.162
• 4.472

I was driving down Hwy i-10 at 75mph. I saw a police officer, so I ______ my speed to 65 mph.

• increased

• maintained

• decreased

• doubled

Label each as a "scalar" or a "vector"

• density

• scalar (kg)

• mass

• scalar (s)

• time

• scalar (kg/m^3)

• force

• vector (N)

• velocity

• vector (m/s)

Calculate the magnitude of the following vectors, giving your answers to 1 d.p.

Calculate the magnitude of the following vectors, giving your answers to 1 d.p.

Calculate the magnitude of the following vectors, giving your answers to 1 d.p.

Calculate the magnitude of the following vectors, giving your answers to 1 d.p.

A scalar quantity has . . .

• magnitude only

• direction only

• both magnitude and direction

• neither