Mechanics Forum

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Friction Direction on Rolling Ball: Am I Missing Something?
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6
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2K
Gravity's change rate and the Centrifugal force
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18
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Collision between two identical objects
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4
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2K
Buoyance Force & Centripital Motion
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8
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Moment of Inertia of a Sphere derivation?
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6
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2K
Do we have momentum in traveling in time?
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7
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Frequently Made Errors in Mechanics - Friction - Comments
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7
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Contradictions in Irrotational Vortex?
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9
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How can a simulation improve understanding of the inclined plane for students?
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6
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4K
Universe expansion is accelerating?
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4
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Definition of Torque: What Is Torque?
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3
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Why hot water freezes faster than cold water?
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5
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2K
How Fast Must a Truck Travel to Knock a Motorcycle 3 Feet Away?
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1
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1K
Orbital Mechanics: Find Eqns of Motion w/ Initial Conditions
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3
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Is Motion an Illusion According to Julian Barbour?
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3
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1K
Why is tension present in the rope?
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7
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2K
CPU power consumed relates to information processed?
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5
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1K
Power of human Heart and Brain
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5
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2K
How can dimensional analysis be carried out correctly?
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8
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2K
Why Is Time Represented as 2d/v in Kinetic Gas Theory Calculations?
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3
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4K
Could a pipe from the ocean's depths create a fountain effect on the surface?
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35
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Speed of Water Wave: Frequency & Wavelength
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1
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1K
Measuring distance a sound wave travels
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6
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2K
How much does the McLane sampler weigh in water?
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4
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2K
Is Power only defined for nonconservative forces?
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12
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2K
Forces acting when we squeeze a ball?
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15
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5K
What is the influence of a lever arm's flexibility on torque?
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5
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3K
Contact pressure of piston rod onto a surface?
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2
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1K
Optimal distance to accelerate projectile
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3
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1K
Ellipse Collisions: Resolving the Paradox
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6
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2K
Does friction oppose force or motion?
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18
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27K
Wheels, car and friction concepts
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2
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1K
Acceleration decrease on inclined air track
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1
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(Vector statics) Effect of a pulley on free body diagram?
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3
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3K
Speed of International Space Station
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11
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What Are the Best Fluid Mechanics Textbooks for Self-Study?
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1
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Rotational motion: air puck revolving Is it possible?
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12
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2K
Counterintuitive uniform bar torque question
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1
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913
Does the angle of a ramp with the ground affect velocity?
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20
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11K
Pressure of a sphere on a regular surface
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4
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How does Potential Energy converted into Kinetic Energy? ?
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2
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Can You make an object move faster than the speed it was hit?
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26
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6K
Work Debate: Does a Tire Do Work on a Quarter?
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7
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1K
Kinetic Energy vs Momentum vs Power
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22
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4K
Venturi Vaccum increase in Momentum
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1
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Exercises in Statistical Mechanics
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1
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Hoyle's calculation of 7.65 MeV level of carbon nucleus
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6
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Pendulum Damping force effect on amplitude over time
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1
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3K
Position vector in torque (and angular momentum)
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3
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2K
What is the role of friction between objects?
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5
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1K
Pressures indenting surfaces that are stone, metal or skin
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1
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2K
(Fluids) Difference in stress or pressure between setups?
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10
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Issue with radiated field, conservation of energy and Poynting vector
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18
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3K
Calculating baseball pitch speed
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7
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5K
Obligatory Newton to g force question, accelerometers drop
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3
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2K
Is surface tension conservative?
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1
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3K
Kinematics: given 2 position vectors, time, and V of earlier
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2
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1K
Does v represent speed in kinetic energy formula?
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1
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1K
How would music sound in a different atmosphere?
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12
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4K
Wheel calculations (Power, torque, etc.)
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4
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4K
Describing a system by position and momentum.
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2
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1K
Does Rolling Necessitate Static Friction?
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22
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4K
Relationship between friction and weight
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2
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16K
Data for a potential and kinetic energy experiment
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6
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Pressure per square inch to pressure per square foot
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10
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4K
Centripetal combined with Gravitational Force
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3
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Centripetal Acceleration Outwards
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3
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Conservation of Momentum and Lagrangian
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1
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2K
Is the tangential acceleration component always zero(wheel?)
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4
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3K
Rotational motion thought experiments
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7
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Why will a pipe pulled around a curve rotate no torque
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18
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2K
The Fundamental Assumption of Statistical Mechanics
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2
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Kgf/cm2 help (subsea pressure)
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10
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1K
Calculating power in a superconductor
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29
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7K
Annoyed about coefficient of friction -- What is lowest possible?
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4
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3K
Always 100% relative humidity over water? Supersaturation?
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8
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4K
Active force of spring on mass (D'alemberts)
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3
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Rotational motion -- Ball rolling back and forth on a U-shaped ramp
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10
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Why do the forces not net out to zero in a system in static equilibrium?
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2
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1K
Inertia of a Body: Explaining the Impact on Falling Passengers
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3
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Anyone here know how a ranque hilsch vortex tube works?
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4
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2K
In space, an accelerating platform hit my feet from under
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12
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Torque Required for Rotating a Cylinder
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6
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6K
The pendulum using Lagrange in cartisian
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2
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855
Can a Frictionless Rollercoaster Theoretically Travel Indefinitely?
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18
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Projectile motion sand bag drop
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1
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Will a car battery be able to run this?
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12
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How does mechanical energy work?
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5
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Does a Moving Sphere's Kinetic Energy Affect Its Atomic Particles?
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24
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Centrifugal force acting on fine particles
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6
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Why is kinetic energy 1/2 mv^2?
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33
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Wall strength and tension on rope-pulley system
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6
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4K
Water Jet Impact Force Calculator
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9
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Boltzmann equation and Kinetic equilibrium
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9
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Using conservation of energy with pendulums
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4
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Pressure losses if going from a 1/2" pipe to 3/4" pipe?
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5
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33K
Tension Direction: Hello, What Is Correct?
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5
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4K
How does the inclusion of a massive rod affect the dynamics of a pendulum?
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10
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5K
Direction of friction acting on a rolling object
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12
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10K
Question about static elecrticity (car tires)
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4
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3K

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