- The graph above shows how the position of a particle depends on time. Which choice is closest to the average speed of the particle in the time interval between 0 and 6s?
Your answer:
2.22 m/s
1.50 m/s
0.40 m/s
0.67 m/s
0.75 m/s
- In which graph of v verses t above does the particle end up furthest from its starting point?
Your answer:
3
4
1
5
2
- Using the graph above the instantaneous velocity at a time of 2 seconds is...
Your answer:
2.5 m/s
1.25 m/s
4 m/s
2 m/s
0.5 m/s
- The graph above shows the time taken for a car to travel a fixed distance while traveling at the speeds shown. The fixed distance traveled by the car is...
Your answer:
35 m
60 m
73.5 km
other
2100 m
- The motion of a car moving with a constant rate of change of velocity is shown above. The velocity v2 is 6m/s and the car starts from rest. The displacement of the car from 0s to 3s is....
Your answer:
other
9.25 m
18.5 m
27 m
13.5 m
- The graph above describes the motion of an object that moves along the positive position part of a horizontal surface. Assume that the motion away from the motion detector is towards the right. The motion detector is placed at position P=0. The object is....
Your answer:
moving away from the motion detector and slowing down
none of these answers
moving away from the motion detector and speeding up
moving towards the motion detector and slowing down
moving towards the motion detector and speeding up
- The graph above shows the velocity of a particle as a function of time. In the 12s shown, the particle travels...
Your answer:
0 m
640 m
200 m
440 m
1200 m
- The graph shows the displacement of a particle along the y-axis as a function of time. The points at which the velocity is the same are...
Your answer:
A and E
B and D
A, C, and E
A and C
B, C, and D
- In which graph (above) is the particle the furthest from the origin at t = 5s?
Your answer:
3
2
4
5
1
- An oject moves along the x axis as shown in the diagram above. At which point or points is the acceleration zero?
Your answer:
E only
A and E
B, D, and E
C only
B and D
- A car accelerates uniformly from a velocity of 10 km/h to 30 km/h in one minute. Which graph best describes the motion of the car?
Your answer:
1
2
3
4
5
- In which graph above does the particle never have a constant acceleration?
Your answer:
3
4
5
1
2
- Two of the graphs shown above are INCORRECT for a particle undergoing one dimensional motion with a constant acceleration. They are...
Your answer:
1 and 5
1 and 2
2 and 3
3 and 4
4 and 5
- Which of the curves above best describes a body moving with constant acceleration?
Your answer:
D
A
E
C
B
- The vector equation that describes the relationship among vectors A, B, and C in the diagram above is...
Your answer:
A = B + C
B = C - A
C = A - B
B = C + A
A = B - C
- The vector in the figure above that could represent the vector A - B is...
Your answer:
5
2
1
3
4
- The angle between vectors A and B is 30 degrees, and their sum is C. Which vector diagram correctly describes the vectors A, B, and C?
Your answer:
3
4
2
1
5
- Three vectors A, B, and C have the x and y components shown above. The magnitude of the resultant of A, B, and C is.....
Your answer:
14
5.0
11
7.8
3.3
- A car proceeding due south at 60 km/h (v1) makes a right turn, after which it is traveling due west at 80 km/h (v2). What is its change in velocity (v2 - v1)?
Your answer:
20 km/h 37 degrees north of west
20 km/h 37 degrees south of west
20 km/h west
100 km/h 37 degrees north of west
100 km/h 37 degrees south of west
- A velocity vector has an x-component of +5.5 m/s and a y-component of -3.5 m/s. The diagram above that gives the direction of the vector is....
Your answer:
1
2
none of these
4
3
- An automobile is moving toward the east at 50 km/h, and the wind is from the north at 50 km/h. Which vector in the figure represents the wind velocity as observed by a passenger in the car?
Your answer:
B
H
A
D
F
- The figure represents the parabolic trajectory of a ball going from A to E in earth gravity but without air resistance. What is the direction of the acceleration at point B?
Your answer:
It is straight up
The acceleration of the ball is zero
It is straight down
It is up and to the right
It is down and to the left
- A projectile is fired horizontally in earth gravity with an initial speed v0. In the absence of air reistance, which of the following graphs is representative of the projectile's motion?
Your answer:
4
1
2
3
5
- A duck hunter fires his gun at 45 degrees to the horizontal. Which velocity- time graph above represents the bullet's velocity in the horizontal direction after it leaves the gun? (assume no air resistance)
Your answer:
c
d
none of these
a
b
- Which velocity-time graph above represents the bullet's velocity (from question 24) in the vertical direction?
Your answer:
none of these
b
a
c
d
- Two students fire projectiles (above). The projectile that is in the air for the longest time is....
Your answer:
projectile B
they are in the air for the same time
no answer
no answer
projectile A
- Three vectors A,B, and C have the x and y components above. The angle that the resultant makes with the positive direction of the x axis is...
Your answer:
50 degrees
1.2 degrees
40 degrees
70 degrees
36 degrees
- In a shoot the target experiment, a projectile is fired at the center of a target that falls when the projectile is released. The launcher is 2m horizontally away from the target-stand and the target is 1.5m off the ground before the projectile is launched. If the target is hit by the projectile half way to the ground determine the launch velocity of the projecitle.
Your answer:
other answer
6.4 m/s
4.5 m/s
8.5 m/s
16.3 m/s