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Forces in inertial and non-inertial frame of reference
Apr 13, 2018
Replies
5
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2K
Tornadoes and angular momentum
Apr 13, 2018
Replies
15
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4K
Independence of Position and Velocity in Lagrangian Mechanics
Apr 11, 2018
Replies
2
Views
3K
Problem in getting correct coefficients of frictional forces
Apr 10, 2018
Replies
9
Views
1K
What is the fastest speed around a curve?
Apr 10, 2018
Replies
10
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3K
Is There an Easier Way to Calculate 3D Rotation Matrices?
Apr 10, 2018
Replies
4
Views
1K
How does a vacuum ejector using air work?
Apr 9, 2018
Replies
9
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3K
Orbital Mechanics Angular Momentum
Apr 9, 2018
Replies
2
Views
1K
Calculating Radial Piston Input Torque: An Interactive Spreadsheet Tool
Apr 8, 2018
Replies
15
Views
2K
Orbital Mechanics Vis Viva Equation Question
Apr 8, 2018
Replies
1
Views
2K
How does Newton's Law change with rotation between frames?
Apr 8, 2018
Replies
19
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2K
How Does Mass Affect the Direction of Rotational Motion in a Pulley System?
Apr 7, 2018
Replies
2
Views
1K
The period of oscillation of a bob in an accelerating frame
Apr 7, 2018
Replies
5
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1K
Working in a Vacuum & zero gravity
Apr 7, 2018
Replies
3
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1K
Pulling/pushing an elastic rod at high speeds
Apr 5, 2018
Replies
5
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2K
Gas pressure differentials and permeability
Apr 5, 2018
Replies
6
Views
1K
About the total work done loading and unloading (setting down) an object
Apr 5, 2018
Replies
18
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2K
Extension of a rod segment dx due to a passing longitudinal wave
Apr 4, 2018
Replies
1
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1K
Lifting a Man with 100m^3 of Helium
Apr 4, 2018
Replies
9
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5K
The Mystery: How Boomerangs Work and Come Back Explained
Apr 3, 2018
Replies
15
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3K
Hydrostatic force on identical containers filled with equal volumes of water
Apr 3, 2018
Replies
24
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2K
Thrust required for a Car driven by a propeller
Apr 2, 2018
Replies
13
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4K
Y-intercept of a lambda square VS tension of standing wave
Apr 2, 2018
Replies
2
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2K
Airplane wings -- How do they work and why do they change shape?
Apr 2, 2018
2
Replies
81
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11K
Measuring the speed of sound in an iron tube
Apr 2, 2018
Replies
5
Views
1K
I don't understand this idea about torque
Mar 31, 2018
Replies
1
Views
1K
Throwing a ball in an airplane
Mar 30, 2018
Replies
10
Views
7K
Water Velocity Question: Impact of Pipe Length on Flow Rate
Mar 30, 2018
Replies
39
Views
4K
People Jumping Off a Car (Momentum Problem)
Mar 29, 2018
Replies
45
Views
8K
Impact force -- Airsoft versus paintball pellets
Mar 29, 2018
Replies
19
Views
5K
Calculating Height of Thrown Object w/ Changing Deceleration g
Mar 29, 2018
Replies
11
Views
2K
Understanding Bernoulli's Principle
Mar 27, 2018
Replies
43
Views
7K
Golf club "Swing Weight" and club head rotation
Mar 27, 2018
Replies
8
Views
3K
Random Walk of KMnO4 in Water: Why Do We Observe Non-Probabilistic Behavior?
Mar 27, 2018
Replies
3
Views
1K
Solving Differential Equations: Falling Objects & Linear Gravity
Mar 26, 2018
Replies
4
Views
2K
Understanding Static Friction on a Ramp: Why is the Object Stationary?
Mar 26, 2018
Replies
4
Views
3K
Air pressure holds coaster on glass: What if only half full?
Mar 25, 2018
Replies
9
Views
2K
Pure rolling of sphere having non uniform mass density ?
Mar 25, 2018
Replies
2
Views
2K
Sound transmission underwater -- looking for equations TX --> Rx
Mar 24, 2018
Replies
18
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3K
What is the meaning of 'relative' and 'apparent' in Newton's concept of time?
Mar 24, 2018
Replies
3
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1K
Mechanical waves encountering a change in Density
Mar 23, 2018
Replies
16
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3K
Statistical Mechanics Part I: Equilibrium Systems - Comments
Mar 23, 2018
Replies
19
Views
3K
Using calculus to find gravity in space (dynamics)
Mar 22, 2018
Replies
1
Views
1K
Knuckle dragger with question about acceleration
Mar 21, 2018
Replies
14
Views
1K
Opening a car door at a high speed
Mar 21, 2018
Replies
16
Views
6K
Obtaining the equation of motion using analytical mechanics
Mar 20, 2018
Replies
12
Views
2K
Effect of Fluid Expansion on Pressure vessel/chamber
Mar 20, 2018
Replies
8
Views
2K
The exact formula for PV-work in an irreversible process
Mar 20, 2018
Replies
27
Views
9K
Gas Usage in Cars: Effects on Environment
Mar 19, 2018
Replies
29
Views
3K
Accelerating motion with a pulley
Mar 18, 2018
Replies
10
Views
2K
How do the nozzles on spray bottles work when misting?
Mar 18, 2018
Replies
12
Views
9K
Non Newtonian / Newtonian Fluid interface
Mar 18, 2018
Replies
5
Views
2K
Can there be any acceleration without mass?
Mar 16, 2018
Replies
40
Views
5K
How increased mass and drag affect speed
Mar 16, 2018
Replies
1
Views
2K
Pressure Drop Across a Change in Diameter
Mar 14, 2018
Replies
4
Views
4K
Question about lifting water through a water pipe
Mar 14, 2018
Replies
4
Views
2K
How much time to pressure balance two air chambers
Mar 13, 2018
Replies
4
Views
1K
Plasma ball, energy levels of neon and xenon
Mar 10, 2018
Replies
1
Views
2K
What is the Usefulness of Reciprocal Space in Classical Physics?
Mar 10, 2018
Replies
23
Views
2K
Period of a mass spring system with 2 spring of same K(vert)
Mar 9, 2018
Replies
1
Views
1K
Profit margin for Solar Chimney projects and land power density?
Mar 9, 2018
Replies
25
Views
2K
Equation for Water Flow Over Pipe Circular Hole
Mar 9, 2018
Replies
3
Views
2K
Testing Accuracy of a 0.25 Water Manometer Using a 10:1 Inclined Mount
Mar 8, 2018
Replies
39
Views
3K
Is the Law of Conservation of Mass Always Obeyed?
Mar 6, 2018
Replies
24
Views
3K
Static friction confusion -- Friction versus the Normal force
Mar 6, 2018
Replies
7
Views
2K
The Physics of Sports Racket Tension
Mar 5, 2018
Replies
8
Views
3K
Is the relationship between power, torque and RPM a linear relationship?
Mar 5, 2018
Replies
6
Views
4K
Pressure formula and infinitesimal
Mar 3, 2018
Replies
3
Views
2K
What does power have to do with the speed calculations of a Train?
Mar 3, 2018
Replies
26
Views
5K
Measure ionization energy (Hydrogen/Deuterium)
Mar 3, 2018
Replies
22
Views
6K
What does a negative potential energy mean?
Mar 2, 2018
Replies
3
Views
2K
Unit conversion meters Newtons years seconds
Mar 2, 2018
Replies
1
Views
1K
Does the Earth have potential energy?
Mar 2, 2018
Replies
1
Views
1K
Calculate iron container acceleration in railgun system on the Moon
Mar 1, 2018
Replies
3
Views
2K
Pressure gradient in wakes around a cylinder
Feb 28, 2018
Replies
13
Views
2K
Sound waves produced by an aircraft
Feb 28, 2018
Replies
7
Views
2K
Pressure carrying capacity of a hose
Feb 28, 2018
Replies
3
Views
1K
Relationship between counterclockwise and clockwise torque
Feb 27, 2018
Replies
4
Views
3K
Is F = m*(v^2/r) true when the orbital speed increases?
Feb 27, 2018
Replies
9
Views
2K
Understanding Pressure Drop in Pipes: Causes and Solutions
Feb 27, 2018
Replies
2
Views
2K
Is acceleration relative in the same way as the speed?
Feb 27, 2018
Replies
19
Views
2K
The gyroscope and its ability to avoid "falling down"
Feb 26, 2018
2
Replies
60
Views
6K
How high can an object be ejected out of water?
Feb 26, 2018
Replies
18
Views
2K
Power Equation: Instantaneous vs Average Velocity
Feb 25, 2018
Replies
2
Views
2K
DIY Vibration Measurement Device for Engineers using Flex Sensors
Feb 24, 2018
Replies
3
Views
2K
Is the Faulty Velocity Equation for Projectile Launch Valid?
Feb 24, 2018
Replies
12
Views
1K
How Can Momentum Be Conserved When Kinetic Energy Is Lost?
Feb 22, 2018
Replies
12
Views
1K
Is Work Being Done When a Car Travels at Constant Velocity Against Friction?
Feb 22, 2018
Replies
24
Views
3K
Equations to model tennis ball motion
Feb 22, 2018
Replies
2
Views
2K
Acceleration of a golf club hitting a ball
Feb 22, 2018
Replies
7
Views
2K
Understanding Pressure Losses and Calculation Methods
Feb 22, 2018
Replies
6
Views
1K
Find when spring oscillates less than X
Feb 22, 2018
Replies
1
Views
1K
Calculating Friction & Air Resistance for a Train Game
Feb 22, 2018
Replies
8
Views
3K
Deriving the ionization energy of a hydrogen atom
Feb 21, 2018
Replies
3
Views
5K
Solving Pressure Equations: P=pgh & Bernoulli's
Feb 21, 2018
Replies
47
Views
4K
Where do I find coefficient values for these 2 formulas? (drag coefficients)
Feb 21, 2018
Replies
9
Views
2K
What caused the strange water leakage from a sealed jug?
Feb 20, 2018
Replies
17
Views
2K
How can I calculate speed based on previous speed?
Feb 19, 2018
Replies
2
Views
1K
Residual tensile stresses due to high compressive loading
Feb 19, 2018
Replies
5
Views
1K
Newton's 3rd law: motorized cart pushes a heavy cart
Feb 18, 2018
Replies
25
Views
3K
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