Physics Fall 21
Quiz by Cheryl Morton
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- Q1
an object can change position along the path of all these EXCEPT__________.
dotted line
straight line
back-and-forth
circle
300s - Q2
replacing an object in a motion diagram with a single point is called the __________.
operational definition
alternative model
frame differential
particle model
300s - Q3
the vector that represents the sum of two vectors is c alled the _______________________________.
direction
resultant
speed
displacement
300s - Q4
in a coordinate system the _____________ is the point at which both variables have the value zero.
magnitude
vector
distance
origin
300s - Q5
final position minus the initial displacement is called_____________.
distance
displacement
magnitude
time interval
300s - Q6
what is plotted on the horizontal axis of a [position-time graph?
time
position
speed
motion
300s - Q7
when did the runner described in the graph reach 15.0m beyond the starting point?
3.0 s
1.0 s
2.0 s
4.0 s
300s - Q8
Will the blue jogger catch up to the red jogger? How can you tell?
yes, the blue jogger is running faster than the red jogger
no, the blue jogger is not physically fit
yes, they started at the same time so the blue jogger will eventually catch up to the red jogger.
no, the lines representing the blue jogger and the red jogger get farther apart as time increases
300s - Q9
The graph represents a hockey puck gliding across a frozen pond. how far did the puck move between 0s and 4s?
80 m
20 m
40 m
60 m
300s - Q10
What is the average velocity of the object represented in this graph?
2.5 m/s
1.5 m/s
2 m/s
1 m/s
300s - Q11
________________ is how fast an object is moving
Average time
Average speed
final speed
Edited speed
300s - Q12
you drive a car for 3.0 h at 97 km/h, then for another 3 h at 72 km/h. What is your average velocity?
85 km/h
85 km/h2
85 km/s2
85 m/s2
300s - Q13
a v-t graph shows an object's _____________ over ___________.
velocity, time
vector, time
variable, time
velocity, temperature
300s - Q14
the rate at which an object's velocity changes is called the _____________ of the object.
movement
positon
time interval
acceleration
300s - Q15
find the uniform acceleration that causes a car's velocity to change from 27 m/s to 45 m/s in a 60-s period.
18.0 m/s
3.0 m/s
18.0 m/s2
0.3 m/s2
300s
