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WorksheetsProjectile Motion Review
Total questions: 20
Worksheet time: 1hrs 6mins
Name
Class
Date
1.
What is the horizontal acceleration of a projectile?
a)
0 m/s2
b)
-9.8 m/s2
2.
What is the vertical acceleration of a projectile?
a)
0 m/s2
b)
-9.81 m/s2
3.
When you launched your steel ball in the lab, what was its velocity at the highest point?
a)
9.81 m/s2
b)
9.81 m/s
c)
0 m/s2
d)
0 m/s
4.
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
5.
What angle will give you the greatest range in the x direction IF the projectile lands at the same height from which it was shot?
a)
30 degrees
b)
45 degrees
c)
60 degrees
d)
90 degrees
6.
What angle will give you the greatest range in the x direction IF the projectile lands BELOW the height from which it was launched?
a)
38 degrees
b)
45 degrees
c)
60 degrees
d)
90 degrees
7.
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.
d)
0 degrees
8.
What angle would give you the greatest velocity in the y direction and smallest in the x direction?
a)
30 degrees
b)
45 degrees
c)
60 degrees
d)
90 degrees
9.
A projectile is launched from a height with an initial velocity v0,x. The vf,x represents the final horizontal velocity before impact.
a)
v0x = vfx
b)
v0x < vfx
c)
v0x > vfx
d)
unable to determine
10.
When a ball is projected horizontally, what is its initial vertical velocity?
a)
10 m/s
b)
0
c)
not enough information given
d)
-9.81 m/s
11.
An object is shot from the ground (at 25 m/s) at 25 degrees and then again at 65 degrees. IDEALLY, which one has the greater range? (assume no air resistance)
a)
25 degrees
b)
65 degrees
c)
same for both
12.
An object is shot from the ground (at 25 m/s) at 25 degrees and again at 65 degrees. Which shot is in the air for longer? (assume no air resistance)
a)
25 degrees
b)
65 degrees
c)
same for both
13.
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
14.
A vector is a quantity that had
a)
magnitude and time
b)
time and direction
c)
magnitude and direction
d)
direction and rhythm
15.
When representing velocity as a vector...
a)
the direction of the arrow shows the direction of motion
b)
the length represents speed
c)
the length of the arrow is drawn to a suitable scale
d)
all of these
16.
Which of the following would NOT be considered a projectile?
a)
a cannonball thrown straight up
b)
a cannon ball rolling down a slope
c)
a cannonball rolling off a table
d)
a cannonball thrown in the air
17.
A baseball is thrown at a 22.5° angle and an initial velocity of 65 m/s. Assume no air resistance. a) What is the vertical component of the ball’s velocity? b)What is the horizontal component of the ball’s velocity?
a)
a) 24.9 m/s; b) 60.1 m/s
b)
a)60.1 m/s; b) 24.9 m/s
c)
a) 0 m/s; b) 65 m/s
d)
a + b) 17183.25 m
18.
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
19.
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
20.
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 had the bullet traveled horizontally just before it hit the ground?
a)
252.04 m
b)
489.32 m
c)
126.02 m
d)
346.00 m
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