projectile motion review. in projectile motion, the final horizontal velocity is always equal to:...
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In projectile motion, the final horizontal velocity is always equal to:
0 m/s
-9.8 m
/s
The initi
al ho...
None of t
he ab...
0% 0%0%0%
1. 0 m/s2. -9.8 m/s3. The initial
horizontal velocity4. None of the above
In projectile motion, if an object is initially only moving horizontally, the initial vertical velocity is always equal to:
1 2 3 4
0% 0%0%0%
1. 0 m/s2. -9.8 m/s2
3. The final horizontal velocity
4. None of the above
In projectile motion, the vertical time is always equal to:
1 2 3 4
0% 0%0%0%
1. 0 s2. -9.8 s3. The horizontal
time4. None of the above
In projectile motion, the vertical displacement is always equal to:
0 m -9
.8 m
The horizonta
l...
Not e
nough in
f...
0% 0%0%0%
1. 0 m2. -9.8 m3. The horizontal
time4. Not enough
information
A shell is fired at a 30 degree angle upward off a cliff and lands 400m from the base of the cliff. Describe the final vertical velocity.
1 2 3 4
0% 0%0%0%
1. Positive2. Negative3. Zero4. Unable to be
determined
A shell is fired at a 30 degree angle upward off a cliff and lands 400m from the base of the cliff. Describe the initial vertical acceleration.
1 2 3 4
0% 0%0%0%
1. Positive2. Negative3. Zero4. Unable to be
determined
A shell is fired at a 30 degree angle upward off a cliff and lands 400m from the base of the cliff. Describe the vertical velocity at the peak of its motion.
1 2 3 4
0% 0%0%0%
1. Positive2. Negative3. Zero4. Unable to be
determined
A shell is fired at a 30 degree angle upward off a cliff and lands 400m from the base of the cliff. Describe the vertical displacement.
1 2 3 4
0% 0%0%0%
1. Positive2. Negative3. Zero4. Unable to be
determined
If an object is fired at an angle, the initial vertical velocity is always equal to:
1 2 3. 4 5
0% 0% 0%0%0%
1. v(cos θ)2. v(sin θ)3. -9.8 4. The initial
horizontal velocity5. None of the above
If an object is fired from the ground at a velocity (v) at an angle and the ground is level, the vertical displacement will equal:
1 2 3 4
0% 0%0%0%
1. 0 m2. -9.8 m3. The horizontal
displacement4. None of the above
If an object is fired from the ground at an angle and the ground is level, the final vertical velocity will equal:
1 2 3. 4 5
0% 0% 0%0%0%
1. v(sin θ)2. v(cos θ)3. -9.8 4. -v(sin θ)5. None of the above
Acceleration due to gravity can be considered -9.8 m/s 2 when an object travels:
Upward
only
Downward
only
Horiz
ontal only
Eith
er up or d
own
None of t
he above
0% 0% 0%0%0%
1. Upward only2. Downward only3. Horizontal only4. Either up or down5. None of the above
If an object is fired horizontally off a cliff, the initial vertical velocity is:
0 m/s
9.8 m/s
-9.8 m
/s
Cannot be determ
ined
0% 0%0%0%
1. 0 m/s2. 9.8 m/s3. -9.8 m/s4. Cannot be
determined
If an object is fired horizontally off a cliff, the vertical acceleration is:
0 m/s
2
9.8 m/s2
-9.8 m
/s2
Cannot be determ
ined
0% 0%0%0%
1. 0 m/s2
2. 9.8 m/s2
3. -9.8 m/s2
4. Cannot be determined
If an object is fired horizontally off a cliff, the initial horizontal velocity is:
0 m/s
9.8 m/s
-9.8 m
/s
Not e
nough in
form
ation
0% 0%0%0%
1. 0 m/s2. 9.8 m/s3. -9.8 m/s4. Not enough
information
If an object is fired horizontally off a cliff, the final horizontal velocity is:
0 m/s
9.8 m/s
-9.8 m
/s
Same as t
he initial h
oriz...
Not e
nough in
form
ation
0% 0% 0%0%0%
1. 0 m/s2. 9.8 m/s3. -9.8 m/s4. Same as the initial
horizontal velocity5. Not enough
information
If an object is fired horizontally off a cliff, the horizontal acceleration is:
0 m/s
2
9.8 m/s2
-9.8 m
/s2
Cannot be determ
ined
0% 0%0%0%
1. 0 m/s2
2. 9.8 m/s2
3. -9.8 m/s2
4. Cannot be determined
When compared with the time for the vertical motion, the time for the horizontal motion is:
More
Less
The same
Not e
nough in
form
ation
0% 0%0%0%
1. More2. Less3. The same4. Not enough
information
What term represents the magnitude of a velocity vector?
Acceleration
Dist
ance
Disp
lacement
Speed
Momentu
m
0% 0% 0%0%0%
1. Acceleration2. Distance3. Displacement4. Speed5. Momentum
In order to find the height of a projectile, what must be done to the total time (assume symmetrical path)?
Multi
ply time by 2
Cut time in
half
Noth
ing
Not e
nough in
form
ation
0% 0%0%0%
1. Multiply time by 22. Cut time in half3. Nothing4. Not enough
information
A shell is fired at a 30 degree angle upward and hits 200m above the place it was shot on an adjacent mountain. Describe the final vertical velocity.
1 2 3 4
0% 0%0%0%
1. Positive2. Negative3. Zero4. Unable to be
determined