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Help with a momentum exchange please
Apr 13, 2009
Replies
3
Views
2K
More conceptual problems about pressure,
Apr 12, 2009
Replies
8
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4K
Does anyone have a idea on how lifters work yet?
Apr 12, 2009
Replies
6
Views
2K
Raising boiling point of salt water
Apr 12, 2009
Replies
3
Views
7K
If I jump from height of 5ft to ground -what is g-force of impact
Apr 12, 2009
Replies
7
Views
39K
Conceptual problems with pressure, me to clarify
Apr 12, 2009
Replies
7
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2K
Physics Q: Which has Less Friction - Cone, Wedge, or Sphere?
Apr 11, 2009
Replies
4
Views
1K
Do the positions of stars determine our position in time,or does our
Apr 11, 2009
Replies
8
Views
2K
How do water crystals grow in freezing temperatures?
Apr 11, 2009
Replies
8
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9K
Momentum of the angular inertia of two solids.
Apr 10, 2009
Replies
9
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3K
How Can Non-Expressional Curves Be Used to Measure Energy Transfer?
Apr 10, 2009
Replies
2
Views
1K
Calculating Final Velocity of 100kg Object Dropped from 100m
Apr 10, 2009
Replies
2
Views
3K
Inertia Translation Rotation Moments And Couples, car on accelerating Treadmill
Apr 9, 2009
Replies
19
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5K
Simple 2D collision formula developments
Apr 9, 2009
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4
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4K
Double Pendulum with motor between segments
Apr 9, 2009
Replies
2
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2K
How much does a falling object weights ?
Apr 9, 2009
Replies
6
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4K
Simple Harmonic Motion Lab Question
Apr 9, 2009
Replies
7
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3K
Help Deriving Trajectory of Water out of Pipe
Apr 8, 2009
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2
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4K
Question from Lanczos book - genearlized momentum
Apr 8, 2009
Replies
3
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2K
Is Average Velocity the Minimum and Possible Value Due to Its Proportion?
Apr 8, 2009
Replies
3
Views
3K
How Can I Fix the Error in My 3D Motion Simulation?
Apr 8, 2009
Replies
3
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2K
Speed of a soliton and its energy
Apr 8, 2009
Replies
2
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2K
Damping effect of swinging pendulum affect period?
Apr 8, 2009
Replies
2
Views
6K
How to work out vacuum in in.hg
Apr 7, 2009
Replies
3
Views
3K
Derive the drag equation for automobiles?
Apr 7, 2009
Replies
6
Views
11K
Velocity of Earth Around Sun: Recent Claims & Calculations
Apr 7, 2009
Replies
32
Views
6K
How to find the k constant of a spring?
Apr 7, 2009
Replies
2
Views
3K
Question concerning Composition Dependent Gravity
Apr 6, 2009
Replies
8
Views
3K
Race cars - Torque vs Hp - The Undiscovered Country (for many)
Apr 6, 2009
4
Replies
107
Views
32K
Need a bit of help with arrow speed.
Apr 6, 2009
Replies
2
Views
2K
Adding Inertia Tensors to 3D Shapes: Parallel Axis Theorem Explained
Apr 6, 2009
Replies
2
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7K
Pressure of Fluids - Questions & Answers
Apr 6, 2009
Replies
18
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5K
How Much Force and Speed Does a Motor Need to Maintain Pendulum Motion?
Apr 6, 2009
Replies
2
Views
2K
What Part of a Ball Hitting a Parabola Hits the Focal Point?
Apr 6, 2009
Replies
6
Views
2K
Energy lost in rolling, sliding and torsion
Apr 6, 2009
Replies
5
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3K
Work done by spring forces - positive or negative
Apr 6, 2009
Replies
4
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43K
Getting a Mouse Trap Car to Move
Apr 5, 2009
Replies
3
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6K
Change in amplitude of pendulum
Apr 5, 2009
Replies
2
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5K
Forward euler calculations for position and orientation
Apr 4, 2009
Replies
2
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2K
Is there a physical connection between Action and Angular Momentum?
Apr 4, 2009
Replies
6
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4K
Understanding Energy Conservation in Magnetic Fields and Current-Induced Wires
Apr 3, 2009
Replies
2
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2K
Ping Pong ball vs. golf ball and distance moved
Apr 3, 2009
Replies
11
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27K
Hydrostatic Equilibrium Thought Experiments, for clarification
Apr 3, 2009
Replies
2
Views
3K
Is a Rising Fastball Physically Possible?
Apr 3, 2009
Replies
8
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4K
How Do Gas Particles Transfer Pressure in Elastic Collisions?
Apr 3, 2009
Replies
2
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2K
Cop car and opposing directions
Apr 3, 2009
Replies
2
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1K
Investigating Circular Motion (help)?
Apr 2, 2009
Replies
2
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2K
Calculating the boiling point of water
Apr 2, 2009
Replies
5
Views
26K
Artificial Gravity Field Generator Possible?
Apr 2, 2009
Replies
8
Views
8K
Crash & Sound Waves: Energy Exchange?
Apr 2, 2009
Replies
2
Views
2K
Kinetic energy was supposed to be simple
Apr 1, 2009
Replies
22
Views
4K
What Happens When a Dirtbike Jumps off a Moving Train?
Mar 31, 2009
Replies
13
Views
8K
Could monopoles ever be created in particle accelerators?
Mar 31, 2009
Replies
4
Views
2K
The mathematics of circular motion.
Mar 31, 2009
Replies
4
Views
3K
Drop the Moon 1m From the Earth, what's the acceleration?
Mar 31, 2009
Replies
7
Views
2K
Forces Acting on a Car or Roller Coaster in a Loop
Mar 31, 2009
Replies
2
Views
2K
What has to be true to use conservation of momentum vs. energy
Mar 30, 2009
Replies
3
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16K
[Q]Do you know about exact form of Group velocity and meaning of Group Delay?
Mar 30, 2009
Replies
2
Views
3K
Who first put a feather & ballbearing in a vacuum?
Mar 30, 2009
Replies
3
Views
2K
Where i can find complete data for material elastic constants?
Mar 30, 2009
Replies
2
Views
2K
Is L=T+w a Universal Definition in Lagrangian Dynamics for Dissipation Systems?
Mar 28, 2009
Replies
5
Views
2K
Cork in a water bucket, knowing our day-to-day world
Mar 28, 2009
Replies
8
Views
5K
Force of Friction Change with Increasing Mass m?
Mar 28, 2009
Replies
5
Views
2K
Question about mercury's vapor pressure
Mar 28, 2009
Replies
5
Views
18K
Dark Matter Motor: Get Professional Impressions Here
Mar 28, 2009
Replies
6
Views
3K
Velocity vs Momentum: Kinetic Theory & Relativistic Systems
Mar 28, 2009
Replies
4
Views
2K
Newton's Third is Giving Me a Problem That is Absurd
Mar 27, 2009
Replies
10
Views
3K
Lines of action of forces and net torque
Mar 27, 2009
Replies
5
Views
5K
Why centripetal accel is from an internal force?
Mar 27, 2009
Replies
12
Views
4K
Clarification about Law of Inertia
Mar 27, 2009
Replies
10
Views
3K
Convert AC Waveform from Polar to Rectangular with Phaser
Mar 27, 2009
Replies
4
Views
2K
Moments of Inertia of a Flat Body
Mar 27, 2009
Replies
3
Views
3K
Why is there variation in atomic weight of elements?
Mar 26, 2009
Replies
8
Views
5K
Why is kinetic energy 1/2mv^2 instead of mv^2?
Mar 26, 2009
Replies
6
Views
64K
Structural Dynamics: Forced Oscilliation Question
Mar 25, 2009
Replies
11
Views
2K
How Do Terminal Velocity and Drag Influence an Object's Fall Through Fluids?
Mar 25, 2009
Replies
2
Views
2K
Calculating Maximum Acceleration in Runaway Escape Ramp
Mar 25, 2009
Replies
7
Views
4K
Physics principles and animail locomotion
Mar 25, 2009
Replies
2
Views
2K
What is the Relationship Between Pressure and Time in a Leaking Container?
Mar 24, 2009
Replies
5
Views
11K
Gravitational Potential Energy Definition
Mar 24, 2009
Replies
2
Views
8K
How Does the Kinetic Energy Formula Work?
Mar 24, 2009
Replies
2
Views
4K
Phase Trajectories and Equilibria: Exploring Intersections
Mar 24, 2009
Replies
2
Views
4K
I am building a mouse trap car and I have several design issues.
Mar 23, 2009
Replies
2
Views
12K
What is Input Work? | Understand Formula & Calculate
Mar 23, 2009
Replies
2
Views
12K
Kinetic Energy Paradox: Physics Community Discussion
Mar 23, 2009
Replies
9
Views
4K
Single Particle Dynamics in EM Fields.
Mar 23, 2009
Replies
2
Views
1K
Why is kinetic energy equal to half of momentum squared over mass?
Mar 23, 2009
Replies
2
Views
3K
Pressure decay as a function of time
Mar 22, 2009
Replies
4
Views
22K
Transfer of momentum via friction
Mar 22, 2009
Replies
2
Views
2K
Life's contribution to Earth's weight and gravity?
Mar 22, 2009
Replies
5
Views
2K
Angular velocity to horizontal?
Mar 21, 2009
Replies
5
Views
4K
How Does Zeno's Paradox Challenge Classical Mechanics?
Mar 21, 2009
Replies
2
Views
2K
Does a Rocket's Potential Energy Increase as it Accelerates Away from Earth?
Mar 21, 2009
Replies
8
Views
3K
About the Larmor power formula
Mar 20, 2009
Replies
8
Views
4K
Conservation of angular momentum
Mar 20, 2009
Replies
2
Views
2K
What is the velocity of the opposing rod in a hexagon mechanics problem?
Mar 19, 2009
2
Replies
35
Views
7K
Is the linear momentum conserved in the presence of friction?
Mar 19, 2009
Replies
4
Views
6K
Can You Achieve a Circular Orbit with Non-Perpendicular Launch Velocities?
Mar 19, 2009
Replies
2
Views
2K
Pendulum mechanics and coherence
Mar 19, 2009
Replies
4
Views
2K
Ball collisions in terms of vector components
Mar 19, 2009
Replies
16
Views
6K
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