Physics - 8/26/21

The Amount or Value

• Direction

• Magnitude

• Resultant

• Vector

Velocity is an example of a

• Vector

• Scalar

Time is an example of a

• Vector

• Scalar

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 

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