Motion

Which of the following best describes displacement?

• The total ground covered by an object during motion

• The distance from where an object started to where it ended

• The time taken for an object to move

• The speed at which an object moves

A car travels 65 mi/hr North. Which physical quantity does this describe?

• Speed

• Distance

• Velocity

• Displacement

What is the main difference between speed and velocity?

• Speed includes direction, velocity does not

• Velocity includes direction, speed does not

• Both are the same

• Speed is always greater than velocity

How many significant figures are in the number 200400?

• 3

• 4

• 5

• 6

If an object moves 150 miles East in 3 hours, what is its velocity?

• 50 mi/hr East

• 50 mi/hr

• 150 mi/hr East

• 450 mi/hr

Which of the following is an example of speed?

• 55 mi/hr

• 55 mi/hr North

• 150 miles East

• 3 hours

How many significant figures are in the number 7.000?

• 1

• 2

• 3

• 4

A runner completes a 400 m lap and ends at the starting point. What is the displacement?

• 0 m

• 400 m

• 800 m

• 200 m

Which of the following quantities requires both magnitude and direction?

• Distance

• Speed

• Displacement

• Time

How many significant figures are in the number .00200?

• 2

• 3

• 4

• 5