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WorksheetsOne Dimensional Kinematics Test
Total questions: 138
Worksheet time: 2hrs 42mins
A snail starts from rest and accelerates at 0.3 m/s2 uniformly for 8 seconds. How many meters did he cover during this period of acceleration?
(a)
A cyclist traveling at 6.2 m/s slows down to 2.5 m/s as he approaches a hill. If he took 5 meters to accelerate uniformly, what was his acceleration?
(a)
A horse accelerates over a distance of 15 meters. If the horse speeds up from 0.5 m/s to 2 m/s, how much time did it take the horse to accelerate?
(a)
A snail starts from rest and accelerates at 0.3 m/s2 uniformly for 8 seconds. How many meters did he cover during this period of acceleration?
(a)
A cyclist traveling at 6.2 m/s slows down to 2.5 m/s as he approaches a hill. If he took 5 meters to accelerate uniformly, what was his acceleration?
(a)
what is the speed of an object at rest?
0.0 m/s
1.0 m/s
9.81 m/s
-9.81 m/s2
Acceleration is
displacement
the rate of change of displacement
velocity
the rate of change of velocity
Velocity is (select all that apply)
speed with a direction
a vector
rate of change of displacement
rate of change of acceleration
Displacement is (select all that apply)
how far an object is from where it started
how far an object has traveled
a scalar
a vector
distance is (select all that apply)
a scalar
how far an object moves is all of its travels
always positive
how far an object is from where it started
A shopping cart given an initial velocity of 2.0 m/s undergoes a constant acceleration of 3.0 m/s2. What is the magnitude of the cart's displacement after the first 4.0 s of its motion?
10.0 m
55 m
32 m
80.0 m
A curious kitten pushes a ball of yarn at rest with its nose displacing the ball of yarn 15.4 cm in 3.00 s. What is the acceleration of the ball of yarn?
4.38 cm/s2
3.42 cm/s2
46.2 cm/s2
18.4 cm/s2
A rock is thrown straight upward with an initial velocity of 24.5 m/s where the downward acceleration due to gravity is -9.81 m/s2. What is the rock’s displacement after 1.00 s?
9.81 m
19.6 m
24.5 m
29.4 m
Human reaction time is usually about 0.20 s. If your lab partner holds a ruler between your finger and thumb and releases it without warning, how far can you expect the ruler to fall before you catch it?
4.0 cm
9.8 cm
16.0 cm
19.6 cm
A runner moves 40 m to the right and then 10 m to the left. What is the runner’s displacement after the two moves?
30 m to the right
40 m to the right
50 m
30 m
What is the standard SI unit for acceleration?
m/s
m/s 2
m
s
What is the standard SI unit for distance?
m/s
m/s 2
m
s
select all of the properties that are scalars
distance
time
temperature
speed
displacement
Select all of the properties that are vectors
acceleration
time
velocity
displacement
a vector is a quantity with
magnitude and direction
magnitude or direction
magnitude only
direction only
In one-dimensional motion, the average speed of an object that moves from one place to another and then back to its original place has which of the following properties?
It is positive.
It is negative.
It is zero.
It can be positive, negative, or zero.
It isn't zero
A cheetah can run at approximately 100 km/hr and a gazelle at 80.0 km/hr. If both animals are running at full speed, with the gazelle 70.0 m ahead, how long before the cheetah catches its prey?
12.6 s
25.2 s
6.30 s
10.7 s
6.30 s d. 10.7 s e. 20.3 s
An automobile driver puts on the brakes and decelerates from 30.0 m/s to zero in 10.0 s. What distance does the car travel?
150 m
196 m
336 m
392 m
421 m
A rock, released at rest from the top of a tower, hits the ground after 1.5 s. What is the speed of the rock as it hits the ground? (g = 9.8 m/s2 and air resistance is negligible)
15 m/s
20 m/s
31 m/s
39 m/s
40 m/s
A trucker drives with an average velocity of 27 m/s towards the east on a perfectly straight highway. What will the trucker's displacement be after 2 minutes?
97 m; east
190 m; east
1600 m; east
3200 m; east
the location of an object in reference to an origin
(a)
the length of the path an object traveled
(a)
the magnitude and direction of the change in position of an object
(a)
motion of an object that travels equal distances in equal intervals of time; the motion of an object that is experiencing no external, net force
(a)
the tendency of an object to remain in motion or remain at rest unless acted on by an external, net force
(a)
The center of mass of a system in uniform motion will remain in uniform motion unless acted on by an external, net force
(a)
a variable that has both magnitude (size) and direction; like velocity, displacement, or acceleration
(a)
a variable that only has a magnitude; like speed, position, or distance
(a)
the motion of an object with respect to the reference frame of another object
(a)
the perspective or vantage point from which you view an object's motion; the laws of physics are independent of this
(a)
distance traveled with respect to time; a scalar
(a)
displacement with respect to time; a vector
(a)
the length of time that an event took
(a)
what kind of graph is this?
(a)
what kind of graph is this?
(a)
the slope of a position-time graph tells you what about an object's motion?
(a)
the rate of change of velocity with respect to time; a vector
(a)
the starting velocity of an object during an event
(a)
the ending velocity of an object during an event
(a)
motion of an object experiencing a constant, external, net force; motion of an object with equal velocity changes in equal amounts of time
(a)
during an event, the total displacement divided by the total amount of time
(a)
the velocity of an object at a particular moment
(a)
what does the area under the curve of a velocity-time graph tell you about an object's motion?
(a)
what does the slope of a velocity-time graph tell you about an object's motion?
(a)
what type of graph is this?
(a)
the problem solving method that breaks down a complex physics event into the following steps: 1) givens, 2) unknowns, 3) equations, 4) set up, 5) solve
(a)
