Vector & Projectile Test Corrections

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 

Tags

CCSS.HSN-VM.B.4C

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

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

17 m/s, East

• Vector

• Scalar

Tags

CCSS.HSN.VM.A.1

10 mph

• scalar

• vector

Tags

CCSS.HSN.VM.A.1

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

Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B

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

• Add
• Subtract
• Pythagorean Theorem
• Use trigonometry

Tags

CCSS.HSN-VM.B.4C

How do you combine vectors if they are in the same direction?

• Add
• Subtract
• Pythagorean Theorem
• Use Trigonometry

Find the length of the missing side. 

• 17 cm
• 22 cm
• 15 cm
• 13 cm