MP1 POST TEST Review

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

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

• Scalar
• Vector

Is this a scalar quantity or a vector quantity?
A deer running 15 meters per second due west

• Scalar
• Vector

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

Which of the following is a unit for acceleration?

• km/s
• m/s²
• mi/hr
• ft

How far has the red runner gone in 3 seconds?

• 40 yards
• 10 yards
• 30 yards
• 20 yards

Acceleration of an object happens when things ________

• slow down
• go faster
• change direction (turn)
• All of the above

The graph below represents

• Speed
• Velocity
• Acceleration
• Deceleration