Physics Daily Quiz 7 (Vector Addition by Components)

The two displacement vectors shown are added together. The angle of direction of the resultant vector (as measured from the positive x-axis) will be ____________.

• between 0^o and 90^o

• between 90^o and 180^o

• between 180^o and 270^o

• between 270^o and 360^o

A toy remote-controlled car moves 60.0 m in one direction and then 90.0 m in another direction before coming to rest. What is a proper description of the direction of the 60.0 m displacement vector?

• 35^o north of east

• 35^o east of north

• 35^o west of north

• 55^o south of east

A toy remote-controlled car moves 60.0 m in one direction and then 90.0 m in another direction before coming to rest. What is a proper description of the direction of the 90.0 m displacement vector?

• 65^o north of west

• 25^o west of south

• 25^o south of east

• 65^o west of south

A toy remote-controlled car moves 60.0 m in one direction and then 90.0 m in another direction before coming to rest. The magnitude of the car's total displacement is ____________.

• 79.4 m

• 32.6 m

• 131 m

• 149 m

A toy remote-controlled car moves 60.0 m in one direction and then 90.0 m in another direction before coming to rest. The direction of the car's total displacement is ____________.

• 24.1^o south of west

• 83.6^o south of west

• 88.4^o south of west

• 61.0^o south of west