Motion Test Review Question Preview (ID: 32125)
Sig Figs, Motion, Speed, Acceleration, Motion Graphs.
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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 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.
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
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?
What does a horizontal line on a distance-time graph represent?
a) Constant speed
b) Acceleration
c) No motion
d) Deceleration
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
Which is not one of the criteria for acceleration?
a) speeding up
b) slowing down
c) displacement
d) changing directions
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
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 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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