2D Vectors

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

Is this a scalar quantity or a vector quantity?
Wind blowing at 20 knots

• Scalar
• Vector

Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?

• 10
• 7
• 8
• 6

 Jermaine runs exactly 2 laps around a 400 meter track. What is the displacement?

• 800
• 400
• 0
• 200

A change in position or location

• Magnetism
• Gravity
• Position
• Movement

Amy runs 2 miles south, then turns around and runs 3 miles north. What is displacement?

• 5 miles
• 1 miles
• 2 miles
• 3 miles

What kind of quantity has both a magnitude and a direction?

• scalar
• vector
• frame of reference
• time

_____ are measured in units of m/s in Physics.

• Speed and velocity
• Distance and displacement
• Scalars
• Vectors

Find the length of the missing side. 

• 17 cm
• 22 cm
• 15 cm
• 13 cm