Thanksgiving Break Extra Credit

Velocity

• Vector
• Scalar

Mass

• Vector
• Scalar

A quantity that has both magnitude and direction is called a scalar quantity.

• True
• False

17 m/s, East

• Vector

• Scalar

If a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?

• 12 km
• 19 km, East
• 31 km
• 43 km, East

Which statement describes a vector?

• It has magnitude but no direction
• It has direction but no magnitude
• It has both direction and magnitude
• It has constant magnitude but no
   direction

If a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement?

• 20m
• 40m
• 0m
• -20m

If a car moves 12 km North, 19 km East, and 12 km South, what is its displacement?

• 12 km
• 19 km, East
• 31 km
• 43 km, East

What is the x component of the vector given in the diagram?

• 77N
• 92N
• 120N
• 60N

What is the y component of the vector given in the diagram?

• 77N
• 92N
• 120N
• 60N