2018 Final Exam

If you ride your bicycle down a straight road for 500 m then turn around and ride back, your distance is ____ your displacement.

• greater than

• equal to

• less than

• can’t determine

Motion is a change in ____.

• time

• speed

• velocity

• position

The speed you read on a speedometer is ____.

• instantaneous speed

• constant speed

• average speed

• velocity

3 m/s north is an example of a(n) ____.

• speed

• velocity

• position

• acceleration

The relationship among speed, distance, and time is ____.

• t = s/d

• d = t/s

• s = dt

• s = d/t

A single point on a distance-time graph tells the ____.

• instantaneous speed

• average speed

• constant speed

• average velocity

A merry-go-round horse moves at a constant speed but at a changing ____.

• velocity

• balanced force

• inertia

• unbalanced force

Acceleration is rate of change of ____.

• position

• time

• velocity

• force

If you ride your bike up a hill, then ride down the other side, your acceleration is ____.

• all positive

• all negative

• first positive, then negative

• first negative, then positive

The equation used to find acceleration is a = ____.

• v_f – v_i/t

• v/t

• v_i – v_f /t

• v_i + v_f/t