Mechanics Forum

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Car - brake locking, stopping distance
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24
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Weight measurements and gravitational acceleration
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6
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How can two equal and opposite forces produce motion? [EM]
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17
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What is the correct calculation for angular momentum of a planet?
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16
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Sound: How pleasing to the ear
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6
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Understanding Nuclear Fission in Power Plants
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1
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Momentum density in a Divergent Beam
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3
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Can proton mass be measured without assuming inertia?
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2
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962
Solve the positions of two masses gravitating toward each other
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13
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Can someone explain to me these equations of sound waves?
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6
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1K
How can gravity be greater than the centripetal force?
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2
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3K
Supressed harmonics with certain initial conditions
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1
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What is the Physics Behind a Jumping Spider's Impressive Leap?
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3
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2K
Kinetic theory of gases: rebound speed and force questions
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2
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I with a Rigid Pendulum Calculation please
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5
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2K
Using a centrifuge to extract heavy water (help with the calculations please)
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2
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3K
Creating an Energy Shield for Cars: Innovative Safety Technology
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13
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2K
Equation for Brownian Motion Trajectory
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4
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Sound propagation with altitude/height
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28
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Air pressure on planes and leak-proof containers....
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9
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6K
Gun-projectile Elastic Collisions
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13
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1K
Why Earth has constant acceleration?
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2
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Need help with gravitational acceleration SI units
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7
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Surface Tension of a soap film
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16
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Can a bullet hit someone while free falling?
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7
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2K
Perpendicular force pulley system
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4
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2K
Underpinnings of conservation of energy/mass
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2
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1K
Understanding Orbital Momentum: The Mysterious Formulation Explained
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3
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1K
A Question about the Speed of Waves....
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13
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2K
Is my Cyclette Generating Enough Power at Resistance Level 4?
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2
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1K
Transfer of Momentum during a collision
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19
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Can you find orbital velocity from circle equation y^2+x^2=r^2?
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9
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2K
Calculating the Speed of a Ball Rolling Down a Hill
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12
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9K
N-body random peak velocity of passing particles
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9
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How Does Box Size Affect Kinetic Energy Calculations in Gas Molecules?
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1
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1K
Apparent violation of momentum conservation in EM
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2
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Question about torque and center of mass
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6
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Kinematics Equations: When to Use Each?
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9
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5K
What happened to the boiling water
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13
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3K
Question from Velocity-Dependent Potential in lagrangian (Goldstein)
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5
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2K
Newtons and Newton meters for pushing a weight
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29
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4K
Experience Hydrodynamic Levitation: A Simple yet Mesmerizing Effect
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2
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2K
Doubt with rotating body and force
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15
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2K
General Physics Question -- Max height of a projectile
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15
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1K
Question - Distributed weight on Camper Tires
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4
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1K
The Physics Behind Why a Rope Breaks When Falling from a Cliff
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12
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3K
Are sounds louder under water?
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4
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3K
Potential energy vs position curve
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6
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Water speed and bullet penetration
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8
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2K
Cannonball - time required to stop its horizontal motion
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12
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2K
Car behaviour on a straight road with a rolling road
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8
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2K
Does air flowing through a tube cause a pressure change?
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29
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4K
Does Increasing Potential Energy Affect the Gravitational Pull on an Object?
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16
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1K
How much force would it take to jump on air?
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7
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11K
Strange behaviour of roulette ball falling
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2
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2K
Kinetic energy and potential energy look very dissimilar
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10
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2K
Question of Leverage in Rotating Mechanisms
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10
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2K
Does Rotating a Gas Container Increase Its Temperature?
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13
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1K
Invariance of elastic potential energy
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6
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Getting energy from kinetic motion of air particles
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1
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909
Pulleys, Pulleys, and More Pulleys
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9
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2K
Maximum Amplitude of Sound Wave?
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13
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4K
Speed of pendulum at certain angles
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7
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2K
Pulley Carrying Capacity: Can It Handle 150 lbs?
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9
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2K
Newtonian vacuum: what to call it in thought experiment
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2
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945
Collision between moving walls
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13
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2K
Hydrostatic equilibrium and Navier-Stokes equations
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2
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2K
What is the impact of different powder burn rates on rifle bullet pressure?
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7
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3K
Can the speed of sound in air be faster?
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9
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2K
Coriolis effect on ballistics and old chart
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17
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5K
Reasoning behind predicting a gyroscope's motion
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9
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1K
Force acting on the center of mass of a rolling disk
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1
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1K
Pressure and the Young-Laplace Equation
2
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36
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5K
Relationship between work and force
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5
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Is it possible to double jump in real life?
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6
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5K
Momentum of a Pendulum: Angular and Linear Changes
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2
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Moment of Inertia: Definition & Physical Meaning
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1
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1K
Is it possible for a feather to lift a car?
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13
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Energy required to slow mass falling from "X" height
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6
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1K
Atmospheric drag on an artificial satellite orbiting the Earth
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4
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Radio Carrier Signal Trouble Understanding
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18
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Absolutely rotationless reference frames?
2
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54
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Classical mechanics: Jacobi variational principle
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8
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2K
Car acceleration on concrete and on asphalt
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10
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2K
Confusion about work performed by a horizontal push or pull
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5
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2K
Momentum Conservation & External Force: Explained with an Example
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5
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1K
Moment of inertia for a fidget spinner....
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5
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Impulse and Momentum: What's the Difference?
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2
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Particle accelerators and timing for particles
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5
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Newbie question -- A train in space with a ball floating in a train car....
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5
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Motion analysis of an accelerating wedge and a block
2
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37
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Is Pressure Drop Measured at Pipe Centreline or Averaged Over Surface?
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1
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Physical interpretation of the "total potential energy"
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20
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Is my equation for projectile trajectory accurate?
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7
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Will a Massless Pulley with Friction Rotate with Unequal Masses on Either Side?
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1
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1K
Bicycle tire width vs. pressure for identical comfort
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8
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2K
Shockwave of mushroom cloud rising at supersonic speed
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7
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2K
TagEqual force for different times: Pushing a car slowly vs quickly
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2
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1K
Final velocity of an air rifle pellet from compressed gas
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4
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2K
About centripetal acceleration
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17
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2K

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