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WorksheetsPhysics Quiz 1.1_Kinematics
Total questions: 29
Worksheet time: 42mins
What property of matter determines an object's resistance to change in its state of motion?
mass
density
volume
force
energy
Ignoring air resistance, how long does it take a coin to reach the ground when it is dropped from a 42 m building? Use
g = 10 s2m1.4 s
2.9 s
3.6 s
5.4 s
4.7 s
Ignoring air resistance, what is the speed of a rock as it hits the ground if it was dropped from a 50 m cliff? Use the acceleration due to gravity
g= 10 s2m21 m/s
14 m/s
32 m/s
42 m/s
9 m/s
At terminal velocity, an object falling toward the surface of the Earth has a velocity that
is independent of the mass of the object
depends on the weight of the object
remains constant
increases
decreases
An object starting from rest accelerates uniformly along a straight line until its final velocity is v while traveling a distance d. What would be the distance traveled if the object accelerated uniformly from rest until its final velocity was 4v?
2d
4d
6d
12d
16d
An object is traveling uniformly at a v of 5 m/s. What is its final velocity if it experiences a uniform acceleration of 2 m/s2 for 6 s?
12 m/s
28 m/s
24 m/s
32 m/s
17 m/s
Which of the following statements is TRUE?
Displacement is a scalar and distance is a vector.
Displacement is a vector and distance is a scalar.
Both displacement and distance are vectors.
Neither displacement nor distance are vectors.
Displacement and distance are always equal.
A jogger runs 3 km in 0.3 h, then 7 km in 0.70 h. What is the average speed of the jagger?
10 km/h
3 km/h
1 km/h
0.1 km/h
100 km/h
A motorcycle starts from rest and accelerates to a speed of 20 m/s in a time of 5 s? What is the motorcycle's average acceleration?
100 m/s2
80 m/s2
40 m/s2
20 m/s2
4 m/s2
Consider the velocity versus time graph. During which interval is the object at rest?
AB
BC
CD
DE
EF
During which interval is the speed of the object increasing?
AB
BC
CD
DE
EF
A bus starting from a speed of +12 m/s slows to +6 m/s in a time of 3 s. The average acceleration of the bus is
2 m/s2
4 m/s2
3 m/s2
-2 m/s2
-4 m/s2
A train accelerates from rest at a rate of 4 m/s2 for a time of 10 s. What is the train's speed at the end of 10 s?
14 m/s
6 m/s
2.5 m/s
0.4 m/s
40 m/s
A football player starts from rest 20 m from the goal line and accelerates away from the goal line at 2 m/s2. How far from the goal line is the player after 4 s?
8 m
28 m
32 m
36 m
52 m
A stone is dropped from rest. What is the acceleration of the stone immediately after it is dropped?
zero
5 m/s2
10 m/s2
20 m/s2
30 m/s2
A ball is thrown straight upward with an initial velocity of +15 m/s. What is the ball's acceleration just after it is thrown?
10 m/s2 upward
10 m/s2 downward
15 m/s2 upward
15 m/s2 downward
zero
A ball is thrown straight upward with an initial velocity of +15 m/s. How much time does it take for the ball to rise to its maximum height?
25 s
15 s
10 s
5 s
1.5 s
A ball is thrown straight upward with an initial velocity of +15 m/s. What is the approximate maximum height reached by the ball?
23 m
15 m
11 m
8 m
5 m
Which of the following is NOT TRUE of a projectile launched from the ground at an angle (neglecting air resistance)?
The horizontal velocity is constant.
The vertical acceleration is upward during the first half of the flight, and downward during the second half of the flight.
The horizontal acceleration is zero.
The vertical acceleration is 10 m/s2.
The time of flight can be found by horizontal distance divided by horizontal velocity.
A projectile is launched horizontally from the edge of a cliff 20 m high with an initial speed of 10 m/s. What is the horizontal distance the projectile travels before striking the level ground below the cliff?
5 m
10 m
20 m
40 m
60 m
A projectile is launched from level ground with a velocity of 40 m/s at an angle 30o from the ground. What will be the vertical component of the projectile's velocity just before it strikes the ground? (sin 30o = 0.5; cos 30o = 0.87)
10 m/s
20 m/s
30 m/s
35 m/s
40 m/s
Each of the choices below shows a pair of graphs. Which choice shows the pair of graphs that are equivalent to each other?
Which of the following cannot be negative?
instantaneous speed
instantaneous acceleration
acceleration of gravity
displacement
position
Suppose that a car traveling to the East begins to slow down as it approaches a traffic light? Which of the following statements about its acceleration is CORRECT?
The acceleration is towards the East.
The acceleration is towards the West.
Since the car is moving, its acceleration is positive.
The acceleration is zero.
Since the car is slowing, its acceleration cannot be determined
What does the slope of a line connecting two points on a velocity vs. time graph represent?
change in acceleration
instantaneous acceleration
average acceleration
instantaneous velocity
displacement
Without any reference to direction, how fast an object moves refers to its
acceleration
impulse
momentum
velocity
speed
As an object falls freely, its magnitude of
velocity increases
acceleration increases
displacement increases
velocity and displacement increases
velocity and acceleration increases
Average velocity equals the average of an object's initial and final velocity when acceleration is
constantly decreasing
constantly increasing
constant
equal to zero
equal to the reciprocal of the initial velocity
What is the average speed of a racehorse if the horse does one lap around a 400 m track in 20 s?
0 m/s
7.5 m/s
15 m/s
20 m/s
25 m/s
