Geometrically Vectors

Determine the direction and magnitude of the vector 〈7,18〉

• Direction 21.3°
  Magnitude 19.3

• Direction 68.7°
  Magnitude 19.3

• Direction 21.3°
  Magnitude 373

• Direction 68.7°
  Magnitude 373

Determine the direction and magnitude of the vector 〈-11,5〉

• Direction 24.4°
  Vertical 12.1

• Direction65.6°
  Magnitude 12.1

• Direction -24.4°
  Magnitude 12.1

• Direction 155.6°
  Magnitude 12.1

Calculate the horizontal component of the velocity

• 69 m/s

• 20 m/s

• 35 m/s

• 23 m/s

Find the vertical component of its velocity

• 52 m/s

• 30 m/s

• 35 m/s

• 9 m/s

Which statement describes a vector?

• It has magnitude but no direction

• It has direction but no magnitude

• It has both direction and magnitude

• is it me, or are these all the same?

Given an initial point R ( -12, 4 ) and terminal point S ( 28, -17 ), find the component form of the vector RS.

• 〈14,-13〉

• 〈-14,13〉

• 〈-40,-21〉

• 〈40,-21〉

In practice A of the figure, What is  the magnitude of the  resultant displacement?

• 5 km 

• 8 km

• 11 km

• 15 km

A hiker walks 5 kilometers due north and then 7 kilometers due east. What is the magnitude of the resultant vector?

• 2 km

• 8.6 km

• 12 km

• 12.6 km

A car travels 90 meters due north. Then the car turns around and travels 40 meters due south. What is the magnitude and direction of the car's resultant displacement?

• 40 meters, South

• 50 meters, South

• 50 meters, North

• 40 meters, North

Write the vector from C to B...

• r + s

• s - r

• s + r

• r - s