Velocity Vectors

A car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south.  What is the magnitude and direction  of the car's resultant displacement?  

• 40 metres, South
• 50 metres, South
• 50 metres, North
• 40 metres, North 

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

Tags

CCSS.HSN.VM.A.1

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

• 5 km 
• 8 km
• 11 km
• 15 km

Tags

CCSS.HSN-VM.B.4C

In practice B of the figure, what is the best description of the resultant vector?

• 10 Km, North West

• 10 Km, North East

• 50 Km, South West

• 70 Km, South West

In practice B of the figure, which displacement is the horizontal component?

• 30 km, East
• 30 km, West
• 40 km, North
• 40 km, South

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? DRAW A PICTURE!

• 12 km

• 19 km, East

• 31 km

• 43 km, East

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

Tags

CCSS.HSN.VM.A.3

How do you combine vectors if they are at a right angle to each other, and you know two sides?

• Multiply
• Divide
• Pythagorean Theorem
• Use trigonometry

How do you combine vectors if they are in opposite directions?

• Add
• Subtract
• Pythagorean Theorem
• Use trigonometry

Tags

NGSS.HS-PS2-1