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21 questions
The speed you read on a speedometer is
average speed
constant speed
velocity
instantaneous speed
3 m/s north is an example of a(n)
velocity
time
speed
acceleration
A car moves around a wide turn going 45 mi/hr the whole time. The car has a constant__________.
velocity
acceleration
direction
speed
If you ride your bicycle down a straight road for 500 m then turn around and ride back to your starting point, your distance is _________your displacement.
equal to
less than
can't determine
greater than
Motion is a change in
position
velocity
time
speed
An indicator that orients you when describing motion is called the
speed
time
point of motion
reference point
How long will it take an object traveling at 25 m/s to reach a distance of 125 meters?
0.2 s
0.2 min
5 s
5 m
A high-speed train travels with an average speed of 227 km/hr. The train travels for 2 hrs. How far does the train travel?
454 km
113.5 km
0.0088 km
225 km
A cross-country runner runs 10 km in 40 minutes. What is his average speed?
454 km
30 km/min
.25 km/min
0.0088 km
What does the slope of a distance vs. time graph tell you?
the speed of the object
the acceleration
the time it took for the object to travel
the total distance traveled
A horizontal (flat) line on a velocity vs. time graph shows ________acceleration.
zero
changing
positive
negative
Acceleration is rate of change of
velocity
speed
time
position
The horses on a carousel or merry-go-round are accelerating because________.
the speed of the horses is constantly decreasing
the travel time is different for every ride
the direction of the horses' motion is constantly changing
the speed of the horses is constantly decreasing
Find the acceleration of a car that goes from 32 m/s to 96 m/s in 8.0 s.
8.0 m/s2
4.0 m/s
12 m/s
-8.0 m/s2
Which statement about the movement of an object with zero acceleration could be true?
the object is slowing down
the object is changing direction
the object is speeding up
the object is moving at a constant speed
A car travels a distance of 98 meters in 10 seconds. What is the average speed of the car?
4.9 m/s
49 m/s
98 m/s
9.8 m/s
A group of bike riders took a 4 hour trip. During the first 3 hours, they traveled a total of 50 km, but during the last hour they raveled only 10 km. What was the group's average speed for the entire trip?
60 km/hr
40 km/hr
30 km/hr
15 km/hr
A skateboarder is traveling 12 m/s down a hill. The skateboarder crashed and slid to a stop in 2.0 seconds. What was the rider's acceleration?
6 m/s
0.17 m/s2
-0.17 m/s2
-6 m/s2
A car travels west for 240 km in 4 hr. What is the car's velocity?
60 km/hr west
60 km/hr
.016666 km/hr
1.67 km/hr west
A person walks 3 miles north, turns, and walks 2 miles east. Calculate the person's distance traveled and their displacement.
Distance 5 miles and displacement 3.61 mi NE
Distance 3 miles and displacement 2 miles NE
Distance 3.61 miles and displacement 5 mi NE
Distance 5 miles and displacement 3.61 mi
If a car on cruise control moves at a speed of 50 mi/hr for 3 hours, how far di they travel?
150 miles
15 miles
1500 miles
0 mile
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