# Motion Test Review Question Preview (ID: 32125)

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Sig Figs, Motion, Speed, Acceleration, Motion Graphs.
TEACHERS: click here for quick copy question ID numbers.

**What is the speed of a car traveling 80 km in 2 hours?**

a) 160 km/hr

b) 2 km/hr

c) 40 km/hr

d) 80 km/hr

**A roller coaster is moving at 1 m/s at the top of a hill and 13 m/s at the bottom of the hill two seconds later. What is the acceleration of the roller coaster?**

a) - 6 m/s2

b) .6 m/s2

c) 12 m/s2

d) 6 m/s2

**Which is not one of the criteria for acceleration?**

a) speeding up

b) slowing down

c) displacement

d) changing directions

**You can show the motion of an object on a line graph in which you plot distance against**

a) velocity

b) speed

c) direction

d) time

**What does a horizontal line on a distance-time graph represent?**

a) Constant speed

b) Acceleration

c) No motion

d) Deceleration

**If speed is measured in meters and time is measured in seconds, then acceleration is measured in**

a) m/s/s

b) m/s

c) m x s x s

d) what you talkin' bout Ms. Gibby?

**If you know the velocity of an object, you know its**

a) speed and direction

b) acceleration

c) final speed and initial speed

d) speed

**A train slowing to a stop is an example of**

a) positive acceleration.

b) speed.

c) negative acceleration.

d) a driver that doesn't know what he's doing.

**A cyclist travels 15 m south in 5 minutes. What is his velocity?**

a) 45 m/s

b) 45 m/s south

c) 3 m/s

d) 3 m/s south

**Acceleration is**

a) the rate at which velocity changes.

b) moving from one place to another.

c) the difference between distance and displacement.

d) the change in speed over a given amount of time.

**A boater was traveling 10 m/s when he ran out of gas and slowly floated to a stop in 45 seconds. What was the boaters average acceleration?**

a) .22 m/s/s

b) 4.5 m/s/s

c) -.22 m/s/s

d) -450 m/s/s

**A runner went 15 km in 30 minutes and an additional 10 km in the next 30 minutes. What was the runner's average speed?**

a) 5 km/hr

b) 25 km/hr

c) 150 km/hr

d) -5 km/hr

**In an acceleration graph showing speed-versus-time, a horizontal line shows the acceleration is**

a) decreasing

b) increasing

c) changing

d) constant

**If you know the distance an object has traveled in a certain amount of time, you can determine**

a) the speed of the object.

b) the size of the object.

c) the acceleration of the object.

d) the location of the object.

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