Scalar Vector Displacement Distance

What is the resultant of these two vectors?

• +17 m

• +3 m

• -17 m

• -3 m

Which of the following describes the vector above?

• 45 cm

• 45 cm at 30 degrees North of East

• 45 cm at 30 degrees East of North

• 45 cm North East

Vector a = 2i + 3j - 5k. What is the value of 3a?

• 3i + 3j - 3k

• 5i + 6j - 8k

• 6i + 9j -15k

• 6i + 6j - 15k

Given the vector v = 3i -2j +6 k, the magnitude of v is:

• 36

• 49

• 7

• 6

What is a vector quantity?

• A quantity that has magnitude and direction

• A quantity with direction but no magnitude

• A quantity with direction

• A quantity with magnitude but no direction

A quantity described by magnitude and does not need direction

• Vector

• Scalar

A quantity that needs both magnitude and direction to be fully described.

• Vector

• Scalar

Velocity is

• Vector

• Scalar

In the distance vs. time graph, what type of motion does the line represent?

• Acceleration

• No motion

• Deceleration

• Constant Velocity

A car moves a distance of 1000 m with an average speed of 28 m/s.   Calculate the time.

• 36 seconds

• 28,000 seconds

• 28 seconds

• 972 seconds