Motion

Which graph represents an object moving with a constant positive velocity?

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Which graph represents an object at rest?

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If Simpson drives his car 560 km with an average velocity of 85 km/h eastward, how long will the trip take?

• 0.15 hours

• 645 minutes

• 6.6 hours

• 475 minutes

How long will it take a cyclist to stop from a speed of 13.5 m/s and a deceleration of -2.5 m/s²?

• 5.4 seconds

• -5.4 seconds

• 11.0 seconds

• -11.0 seconds

A driver moving eastward slows down from 14.0 m/s to 5.5 m/s in 6.0 seconds to avoid a pothole, what is the acceleration?

• 1.4 m/s² east

• -1.4 m/s² east

• - 3.25 m/s² east

• 3.25 m/s² east

If an object starts at rest, or comes to a complete stop, its speed would be __________.

• 5 m/s

• 0 m/s

• 10 m/s

• 9.8 m/s

Which of the following is NOT a vector quantity?

• acceleration

• speed

• velocity

• displacement

The derived units for acceleration are _____________.

• meters per second

• meters per second squared

• meters per second cubed

• acceleration has no units

The derived units for speed and velocity are ______________.

• meters

• meters per second

• meters per second squared

• meters times seconds

A ____________ is a mathematical quantity, represented by an arrow with both magnitude and direction.

• delta

• vector

• scalar

• number