D vs T
V vs T
Kinematics
Motion
Measurement
100
Describe the motion on this graph.
Constant velocity in the negative direction
100
What is represented by the slope of this line?
acceleration
100
Starting from rest, a car travels 18 meters as it accelerates uniformly for 3.0 seconds. What is the magnitude of the car’s acceleration?
4.0 m/s2
100
A sailboat on a lake sails 30. meters north and then sails 40. meters due east. Compared to its starting position, the total distance traveled is
70 m
100
Which pair of quantities are both scalar quantities?
(1) speed and mass
(2) speed and velocity
(3) velocity and displacement
(4) mass and displacement
(1) speed and mass
200
Describe the motion in this graph.
Increasing velocity in the constant direction
200
What is the distance traveled in 8.0 seconds?
120 m
200
A car is moving with a constant speed of 20. meters per second. What total distance does the car travel in 2.0 minutes?
2,400 m
200
A sailboat on a lake sails 30. meters north and then sails 40. meters due east. Compared to its starting position, the magnitude of the displacement is
50 m
200
A round dinner plate has a diameter closest to
(1) 2 × 10–2 m
(2) 2 × 10–1 m
(3) 2 × 100 m
(4) 2 × 101 m
(2) 2 × 10–1 m
300
Describe the motion in the graph
Decreasing velocity in the positive direction
300
What is the object’s acceleration?
10 m/s2
300
A car, initially traveling at 15 meters per second north, accelerates to 25 meters per second north in 4.0 seconds. The magnitude of the average acceleration is
2.5 m/s2
300
A hiker travels 1.0 kilometer south, turns and travels 3.0 kilometers west, and then turns and travels 3.0 kilometers north. What is the total distance traveled by the hiker?
7.0 km
300
The height of an individual step on a staircase is closest to
(1) 2.0 × 10−2 m
(2) 2.0 × 10−1 m
(3) 2.0 × 100 m
(4) 2.0 × 101 m
(2) 2.0 × 10−1 m
400
The slope of the graph tells us
velocity
400
Describe the motion in this graph
Constant speed
400
A car with an initial velocity of 16.0 meters per second east slows uniformly to 6.0 meters per second east in 4.0 seconds. What is the acceleration of the car during this 4.0-second interval?
-2.5 m/s2
400
8.0 m/s What is the final speed of an object that starts from rest and accelerates uniformly at 4.0 meters per second2 over a distance of 8.0 meters?
8.0 m/s
400
Which quantity is a vector?
(1) power
(2) kinetic energy
(3) speed
(4) weight
(4) weight
500
What is the total distance traveled in 10.0 seconds
24 m
500
Calculate the acceleration.
1.33 m/s2
500
A car, initially traveling at a velocity of 25 meters per second west, accelerates uniformly at a rate of 1.5 meters per second squared east for 6.0 seconds.
Calculate the magnitude of the car’s velocity after the 6.0 seconds
16 m/s
500
A truck, initially traveling at a speed of 22 meters per second, increases speed at a constant rate of 2.4 meters per second2 for 3.2 seconds. What is the total distance traveled by the truck during this 3.2-second time interval?
82.7 m
500
Which term identifies a scalar quantity?
(1) displacement
(2) momentum
(3) velocity
(4) time
(4) time