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Information, what counts as it, why isn't phase velocity etc. information?
Jun 28, 2009
Replies
3
Views
4K
Collisionless plasma, conservation of energy
Jun 28, 2009
Replies
2
Views
2K
Question on remote power harnessing?
Jun 27, 2009
Replies
6
Views
2K
Conservation of Energy Tutor | Physics Problem | x162,x163
Jun 27, 2009
Replies
20
Views
3K
Rate of change of acceleration?
Jun 27, 2009
Replies
3
Views
9K
Potential vs. Potential Energy
Jun 26, 2009
Replies
4
Views
3K
The most basic question re: acceleration, velocity, and force
Jun 26, 2009
Replies
9
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3K
Harnessing Power from Free Flowing Rivers: An Electrical Engineer's Exploration
Jun 26, 2009
Replies
20
Views
9K
Parallel and perpendicuar axis theorems and other stuff on rotational mechanics
Jun 26, 2009
Replies
6
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2K
Impact loading on a massed beam
Jun 26, 2009
Replies
2
Views
2K
Calculating the rotational component of a force on a Newtonian body?
Jun 26, 2009
Replies
5
Views
5K
Are Seatbelts Strong Enough to Protect Us During a Car Crash?
Jun 26, 2009
Replies
7
Views
2K
Deceleration calculation for moving screen objects
Jun 25, 2009
Replies
7
Views
4K
Points, extension, time, waves and many times (help )
Jun 25, 2009
Replies
2
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1K
Finding a Solution for the Drag Equation
Jun 25, 2009
Replies
2
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4K
Iron ball in water, reading on weighing machine
Jun 24, 2009
Replies
3
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3K
Elliptical movement of a svinging pendulum
Jun 24, 2009
Replies
4
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11K
How Does Varying Torque Affect Aircraft Rotation in Flight Simulations?
Jun 24, 2009
Replies
2
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2K
Initial velocity be larger or smaller once its calculated?
Jun 24, 2009
Replies
2
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2K
Conservation of momentum of ball thrown
Jun 23, 2009
Replies
5
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4K
Air drag on a wire moving lengthways
Jun 23, 2009
Replies
2
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2K
Quantifying explosions - how to determine force/pressure/etc?
Jun 23, 2009
Replies
2
Views
2K
Internal Ballistics: Determine Muzzle Velocity from Powder Mass
Jun 23, 2009
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2
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2K
Find density on dropping a ball
Jun 23, 2009
Replies
7
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2K
Kinetic Friction Experiment Conservation of Energy Question
Jun 23, 2009
Replies
2
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4K
Would the actual velocity be larger/smaller?
Jun 23, 2009
Replies
2
Views
2K
Solenoid power and conical area
Jun 23, 2009
Replies
2
Views
3K
Forces required to accelerate a mass on a spring
Jun 22, 2009
Replies
2
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2K
Proving Car Was Parked After Hit and Run
Jun 22, 2009
Replies
11
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2K
What Frequency Excites Resonance in a Two-Mass, Two-Spring System?
Jun 22, 2009
Replies
2
Views
4K
Coservation of momentum in inelastic collisions
Jun 22, 2009
Replies
3
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2K
To estimate the required torque
Jun 22, 2009
Replies
10
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3K
Why Does Sound Travel at a Constant Speed in a Medium?
Jun 21, 2009
Replies
2
Views
2K
Inductance in an AC generator.
Jun 21, 2009
Replies
2
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4K
G-Force Accelerometer conversion to Pounds per Square Inch
Jun 21, 2009
Replies
3
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26K
Does Every Object in the Universe Have Absolute Zero Potential Energy?
Jun 21, 2009
Replies
7
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2K
Angular momentum vs. Linear momentum
Jun 20, 2009
Replies
2
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3K
Potential Energy Clarification
Jun 20, 2009
Replies
2
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2K
Running Before Jumping - What's the Explanation?
Jun 19, 2009
Replies
15
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19K
Car's Max. Fuel-Efficient Speed
Jun 18, 2009
Replies
2
Views
3K
Rotation about the center of mass and spin angular momentum
Jun 18, 2009
Replies
4
Views
3K
Energy Source for Supermarkets: Cars or Kinetic Engines?
Jun 18, 2009
Replies
10
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3K
Projectile Horizontal Range: Debunking the Intuition
Jun 17, 2009
Replies
6
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2K
How Do Zero Gravity and Terminal Velocity Affect Passengers in an Aircraft?
Jun 17, 2009
Replies
2
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4K
Physics of riding a motorcycle
Jun 16, 2009
Replies
10
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5K
Discover the Meaning of Δy in Projectile Motion Formula: A Comprehensive Guide
Jun 16, 2009
Replies
5
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28K
Newton's laws and non inertial frame of reference
Jun 16, 2009
Replies
3
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5K
Gravitational Potential Energy during a Free-Fall Impact
Jun 16, 2009
Replies
5
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6K
Equipotential Surfaces: Understanding & Conceptual Problems
Jun 16, 2009
Replies
4
Views
2K
Does Friction Always Act Upward on an Ascending Cylinder?
Jun 16, 2009
Replies
6
Views
3K
Work: does distance HAVE to be linear?
Jun 14, 2009
Replies
2
Views
1K
Funny balloon thought experiment
Jun 14, 2009
3
Replies
86
Views
13K
Understanding Water Pressure: Exploring the Pressure Changes in a Glass of Water
Jun 14, 2009
Replies
9
Views
3K
What prevents infinite potential with Nernst Equation
Jun 13, 2009
Replies
4
Views
5K
Laws of Motion in weight lifting
Jun 13, 2009
Replies
3
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6K
Why is average velocity=(v+u)/2
Jun 13, 2009
Replies
8
Views
9K
Absolute velocity measurements
Jun 13, 2009
Replies
3
Views
2K
Acceleration, Mass & Gravitational Tug
Jun 13, 2009
Replies
4
Views
3K
Understanding Centripetal Force in a Pendulum System
Jun 12, 2009
Replies
3
Views
3K
Why Does a Ball Stay Still on a Flat Surface?
Jun 12, 2009
Replies
29
Views
5K
What kills you when you fall down?
Jun 12, 2009
Replies
16
Views
32K
Accelerator and Beams - Tools for Discovery and Innovation
Jun 11, 2009
Replies
8
Views
16K
Continuity Between Statistical Mechanics and Fluid Dynamics
Jun 11, 2009
Replies
2
Views
3K
Why does a whistle sound louder when you blow harder?
Jun 11, 2009
Replies
31
Views
13K
The Speed of Light: Examining Incremental Movement
Jun 10, 2009
Replies
13
Views
3K
Pure water doesn't freeze at 32F ?
Jun 10, 2009
Replies
11
Views
42K
The role of surface tension in capillarity
Jun 10, 2009
Replies
2
Views
2K
Conservation of Mass - Does Burning Wood Convert Mass to Energy?
Jun 10, 2009
Replies
8
Views
5K
Why Is the Balmer Series More Commonly Seen than Other Hydrogen Emission Series?
Jun 10, 2009
Replies
4
Views
3K
How much force or speed is needed to jump
Jun 9, 2009
Replies
13
Views
14K
Another conservation of momentum question, but this one involves gravity
Jun 9, 2009
Replies
5
Views
2K
Bohr's calculation of stopping power
Jun 9, 2009
Replies
3
Views
4K
Wave Velocity, Amplitude & Phase change
Jun 8, 2009
Replies
2
Views
3K
What Determines the Direction of an Object's Motion Expressed as Energy?
Jun 8, 2009
Replies
18
Views
3K
Flame becomes larger with water mist
Jun 8, 2009
Replies
2
Views
2K
Explaining Friction: Reconciling Quantum Mechanics & Contact Force
Jun 8, 2009
Replies
6
Views
9K
Who introduced the concept of variable velocity?
Jun 8, 2009
Replies
6
Views
2K
Rolling different masses down a hill - Intertia Question
Jun 7, 2009
2
Replies
39
Views
100K
Pressure in pipes related to pipe size and pump for water filtration system
Jun 7, 2009
Replies
2
Views
5K
Visualising the effect of surface tension
Jun 7, 2009
Replies
2
Views
1K
Designing a Speed Retarding System for a Gokart
Jun 7, 2009
Replies
2
Views
1K
Building a Linear Accelerator at Home: Safety Concerns
Jun 6, 2009
Replies
3
Views
4K
Double Ball Drop and linear momentum
Jun 6, 2009
Replies
2
Views
2K
The acceleration of falling backwards
Jun 6, 2009
Replies
2
Views
2K
Rotational degrees of freedom I don't get it.
Jun 6, 2009
Replies
12
Views
21K
Elastic Collision: Rotational Momentum and Linear Momentum
Jun 5, 2009
2
Replies
37
Views
6K
Spaceship hit the ground with a velocity of 100 m/s
Jun 5, 2009
Replies
3
Views
2K
Does a car's speed change when it hydroplanes?
Jun 4, 2009
Replies
28
Views
22K
Why do car wheels spin backwards
Jun 4, 2009
Replies
2
Views
4K
Are generators efficient when powering only one small appliance?
Jun 4, 2009
Replies
5
Views
3K
What would be the result of this collision?
Jun 4, 2009
Replies
5
Views
3K
Rigid body dynamics: Resting contact
Jun 3, 2009
Replies
2
Views
3K
Calculating Pressure at Depth in Oceans/Lakes
Jun 3, 2009
Replies
3
Views
7K
Determining mass distribution for team-lifting of arbitrary objects
Jun 3, 2009
Replies
7
Views
3K
Air pressure variation with height
Jun 3, 2009
Replies
2
Views
3K
Uncovering the Truth: Analysis of a Mysterious Car Accident on the Highway
Jun 3, 2009
Replies
13
Views
4K
Accelerating into space for a day.
Jun 2, 2009
Replies
16
Views
4K
The mud flies off the tyre of a moving motor cycle in the direction:
Jun 2, 2009
Replies
7
Views
8K
What Are Good Low Work Function Materials for Photoelectric Effect Experiments?
Jun 2, 2009
Replies
6
Views
7K
Moment of Inertia of Solid and Hollow Spheres using Disks and Rings Respectively
Jun 2, 2009
Replies
2
Views
6K
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