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WorksheetsProjectile Motion
Total questions: 25
Worksheet time: 20mins
Name
Class
Date
1.
If you drop a banana, how fast is it going after 2 seconds?
a)
4.9m/s
b)
9.8m/s
c)
19.6m/s
d)
29.4m/s
2.
The more mass an object has, the faster it will fall.
a)
True
b)
False
3.
If I throw a crayon straight up at 12m/s, how fast is its speed when i catch it at the same height?
a)
-6 m/s
b)
-12 m/s
c)
-18 m/s
d)
-24 m/s
4.
What is the horizontal acceleration of a projectile?
a)
0 m/s2
b)
-9.8 m/s2
5.
Velocity is different from speed in that velocity is speed in a given direction.
a)
True
b)
False
6.
If a bullet is horizontally shot at the same moment another bullet is dropped from the same height, which will hit the ground first?
a)
Shot Bullet
b)
Dropped Bullet
c)
Hit at Same Time
7.
If a bullet is horizontally shot at the same moment another bullet is dropped from the same height, which has a larger vertical speed when they hit the ground?
a)
Shot Bullet
b)
Dropped Bullet
c)
Same for Both
8.
Which angle will produce the greatest height (in the absence of air resistance)?
a)
0 degrees
b)
45 degrees
c)
90 degrees
d)
none of these
9.
An object is projected horizontally from a cliff. The time it takes to hit the ground is
a)
more than if it was just dropped
b)
less than if it was just dropped
c)
the same amount of time than if it was just dropped
d)
impossible to determine
10.
What angle will give you the greatest range in the x direction?
a)
30 degrees
b)
45 degrees
c)
60 degrees
d)
90 degrees
11.
What can you say about motion in the x and y direction?
a)
x is dependent on y
b)
y is dependent on x
c)
They are dependent on each other.
d)
They are independent of each other.
12.
If Vx and Vy are equal, what do you know about the angle the object was launched at?
a)
Greater than 45 degrees
b)
Less than 45 degrees
c)
At 45 degrees.
13.
What force acts in the y direction that causes an object to travel in a parabolic arc?
a)
Friction
b)
Gravity
c)
Tension
d)
No force acting.
14.
Objects that are under the influence of gravity only are considered to be in ____
a)
freefall only
b)
projectile motion only
c)
freefall or projectile motion
d)
neither freefall nor projectile motion
15.
Two objects of the same mass are launched from the ground. Object A has a launch angle of 45, while Object B has a launch angle of 65. Which object has the greatest maximum height height?
a)
A
b)
B
c)
Both objects reach the maximum height
d)
unable to determine with the given information
16.
Two objects of the same mass are launched from the ground. Object A has a launch angle of 45, while Object B has a launch angle of 65. Which object will hit the ground first?
a)
A
b)
B
c)
Both objects hit the ground at the same time
d)
unable to determine with the given information
17.
A ball is thrown horizontally at a height of 2.2 meters at a velocity of 65 m/s. Assume no air resistance. How far did the ball travel horizontally when it hit the ground?
a)
14.3 m
b)
30.55 m
c)
65 m
d)
43.55 m
18.
A bullet is fired horizontally at a height of 1.3 meters at a velocity of 950 m/s. Assume no air resistance. How long until the bullet reaches the ground?
a)
0.52 s
b)
0.27 s
c)
0.13 s
d)
0.36 s
19.
A bullet is fired horizontally at a height of 1.3 meters at a velocity of 950 m/s. Assume no air resistance. How far did the bullet travel horizontally when it hit the ground?
a)
252.04 m
b)
489.32 m
c)
126.02 m
d)
346.00 m
20.
A cannonball is fired at a 45.0° angle and an initial velocity of 625 m/s. Assume no air resistance. What is the vertical component of the cannonball’s velocity? What is the horizontal component of the cannonball’s velocity?
a)
-625 m/s; 625 m/s
b)
441.9 m/s; 441.9 m/s
c)
-441.9 m/s; 441.9 m/s
d)
0 m/s; 625 m/s
21.
A cannonball is fired at a 45.0° angle and an initial velocity of 625 m/s. Assume no air resistance. How long until the cannonball hits the ground?
a)
75.4 s
b)
45.2 s
c)
62.3 s
d)
90.2 s
22.
A baseball is thrown at a 22.5° angle and an initial velocity of 65 m/s. Assume no air resistance. What is the vertical component of the ball’s velocity? What is the horizontal component of the ball’s velocity?
a)
24.9 m/s; 60.1 m/s
b)
60.1 m/s; 24.9 m/s
c)
0 m/s; 65 m/s
d)
17183.25 m
23.
A baseball is thrown at a 22.5° angle and an initial velocity of 65 m/s. Assume no air resistance. How far did the ball travel horizontally when it hit the ground?
a)
500.76 m
b)
31.63 m
c)
103.7 m
d)
305.05 m
24.
A ball is thrown horizontally at a height of 2.2 meters at a velocity of 65 m/s. Assume no air resistance. How long until the ball reaches the ground?
a)
0.45 s
b)
0.67 s
c)
0.22 s
d)
0.47 s
25.
What is the definition for the acceleration due to gravity?
a)
the apparent force that seems to pull on a moving object, but does not exert a physical outward push on it, and is observed only in rotating frames of reference
b)
the size of the gravitational force between two objects
c)
the acceleration of an object in free fall, resulting from the influence of Earth’s gravity
d)
the gravitational force between any two objects is directly proportional to the square of the distance between their centers
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