Vector quantity Study guides, Study notes & Summaries
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![4th Class Power Engineering Part A Exam Latest Update Graded A+](/docpics/4689132/65e9c2c65f7f3_4689132_121_171.jpeg)
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4th Class Power Engineering Part A Exam Latest Update Graded A+
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4th Class Power Engineering Part A 
Exam Latest Update Graded A+ 
 
Velocity (m/s) Change in position / time 
 
Acceleration (m/s^2) Change in velocity (m/s) / time (s) 
 
Force (Newton) mass (kg) x acceleration (m/s^2) , any action on a body that tends to change 
its size, shape, or its state of rest or motion 
 
Force of Gravity mass (kg) x 9.81 m/s^2 
 
Pressure (Pa) Force (N) / area (m^2) 
 
Work (J) Force (N) x distance (m) 
 
Power Work done / time , Rate of doing work 
 
Potential Energy ...
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AC HPAT Physics Latest Update (2024/2025) Graded A+
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AC HPAT Physics Latest Update 
 
(2024/2025) Graded A+ 
 
DIstance · Distance is a scalar quantity that refers to "how much ground an object has 
covered" during its motion. 
 
Displacement · Displacement is a vector quantity that refers to "how far out of place an 
object is"; it is the object's overall change in position. 
 
Position · Position is a place where someone or something is located or has been put. In 
physics, position is usually a number on an axis. ... Position is a vecto...
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PHYS-91 Science Bowl Exam Questions and Answers for Physics 2024.
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PHYS-91 Science Bowl Exam Questions and Answers for Physics 2024. 
PHYS-91; Multiple Choice: For the hydrogen atom, which series describes electron transitions to 
the N=1 orbit, the lowest energy electron orbit? Is it the: 
w) Lyman series 
x) Balmer series 
y) Paschen series 
z) Pfund series 
ANSWER: W -- LYMAN SERIES 
PHYS-91; Multiple Choice: Electric current may be expressed in which one of the following 
units? 
w) coulombs/volt 
x) joules/coulomb 
y) coulombs/second 
z) ohms/second 
ANSWE...
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PHYS-91 Science Bowl Exam Questions and Answers for Physics 2024.
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PHYS-91 Science Bowl Exam Questions and Answers for Physics 2024. 
Science Bowl PHYSICS 
Physics - 1 
PHYS-91; Multiple Choice: For the hydrogen atom, which series describes electron transitions to 
the N=1 orbit, the lowest energy electron orbit? Is it the: 
w) Lyman series 
x) Balmer series 
y) Paschen series 
z) Pfund series 
ANSWER: W -- LYMAN SERIES 
PHYS-91; Multiple Choice: Electric current may be expressed in which one of the following 
units? 
w) coulombs/volt 
x) joules/coulomb 
y) cou...
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KPE160 Midterm Review 2024 Questions and Answers
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KPE160 Midterm Review 2024 
Questions and Answers 
rigid body - Answer- object of non-zero size that cannot change shape 
position - Answer- location and orientation 
CoG - Answer- average location of all weight of an object (typically in midline a bit below 
navel of humans) 
orientation in space - Answer- position with respect to the points of a compass or other 
directions 
motion of rigid body - Answer- change in position denoted by its location and orientation 
at every instant in time) 
di...
![OAR Exam 2023 with 100% correct answers](/docpics/3160321/64c79fdbad019_3160321_121_171.jpeg)
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OAR Exam 2023 with 100% correct answers
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scalar 
quantity that represents only magnitude, e.g., time, temperature, or volume. It is expressed using a single number, including any units. 
 
 
 
vector 
quantity that represents magnitude and direction. It is commonly used to represent displacement, velocity, acceleration, or force. 
 
 
 
Displacement (s) 
the distance and direction of a body's movement (an airplane flies east 100 nm). 
 
 
 
Velocity (V) 
the speed and direction of a body's motion, the rate of change of position (an a...
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OAR Mechanical Comprehension exam 2023 with 100% correct answers
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Scalars 
Quantities that are fully described by a magnitude alone. 
 
 
 
Vectors 
Quantities that are fully described by both a magnitude and a direction. 
 
 
 
Distance 
Scalar quantity that refers to "how much ground an object has covered" during its motion. 
 
 
 
Displacement 
Vector quantity that refers to "how far out of place an object is" it is the object's overall change in position. 
 
 
 
Speed 
Scalar quantity that refers to "how fast an object is moving." 
 
 
 
Velocity 
V...
![NIFE-AERO ELO's, Questions, & Equations Latest Update 100% Correct](/docpics/5078577/6626d3dfbc9f2_5078577_121_171.jpeg)
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NIFE-AERO ELO's, Questions, & Equations Latest Update 100% Correct
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NIFE-AERO ELO's, Questions, & 
Equations Latest Update 100% Correct 
 
LESSON 1 - Basic Theory & Lift Production Lesson 1 
 
DEFINE - Vector Quantity that represents magnitude and direction. Resultant vector may be 
divided into separate components 
 
DEFINE - Air Density Air particles within a given volume. 
 
DEFINE - Moment Created when a force is applied at some perpendicular distance from a 
rotation point 
 
STATE - Requirements for an airplane to be in equilibrium flight Sum of all force...
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AC HPAT Physics Questions & 100% Verified Answers | Latest Update | Already Graded A+
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DIstance 
: · Distance is a scalar quantity that refers to "how much ground an object has 
covered" during its motion. 
Displacement 
: · Displacement is a vector quantity that refers to "how far out of place an object 
is"; it is the object's overall change in position. 
Position 
: · Position is a place where someone or something is located or has been put. In 
physics, position is usually a number on an axis. ... Position is a vector, because 
direction matters. But distance is a ...
![NIFE Aero 143 Questions with 100% Correct Answers | Verified | Updated 2024](/docpics/4707132/65ecc1a8c392c_4707132_121_171.jpeg)
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NIFE Aero 143 Questions with 100% Correct Answers | Verified | Updated 2024
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Define Vector - ️️A quantity that expresses both magnitude and direction. A vector quantity is represented by an arrow that displays direction and has a length proportional to magnitude 
 
Moment - ️️Force applied at some distance from an axis or fulcrum 
F x d 
(Distance: from the point of rotation that is perpendicular to force, "moment arm") 
 
Equilibrium Flight - ️️When the sum of all FORCE and all MOMENTS around the COG are equal to zero 
 
When are the four forces that act o...
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