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How many decibels is the sound of whispering laughter?
Mar 13, 2009
Replies
3
Views
5K
Item traveling through water via gravity.
Mar 13, 2009
Replies
5
Views
4K
Understanding Angular Acceleration: Slowing Down in Clockwise Rotation
Mar 13, 2009
Replies
13
Views
24K
Solving Particle Collision: Find Mass Ratio from Total Angle
Mar 12, 2009
Replies
2
Views
3K
HELP Trying to Make a Spring Car No Mouse Traps
Mar 12, 2009
Replies
1
Views
8K
Why is energy conserved in a frictionless roller coaster ride?
Mar 12, 2009
Replies
4
Views
7K
What is the effect of arranging two springs in series?
Mar 11, 2009
Replies
4
Views
14K
Force Needed to Turn Generator at Maximum Output
Mar 11, 2009
Replies
7
Views
10K
How does Location of Mass affect Moment of Inertia
Mar 11, 2009
Replies
3
Views
11K
How do aerodynamic features improve the performance of sportscars?
Mar 11, 2009
Replies
8
Views
3K
Potential energy of a force vector
Mar 10, 2009
Replies
10
Views
12K
Calculating Air Pressure to Produce 200N of Force
Mar 10, 2009
Replies
2
Views
3K
Why do we use L for Angular Momentum?
Mar 10, 2009
Replies
6
Views
5K
Projectile Calculator software
Mar 10, 2009
Replies
6
Views
17K
Understanding Newton's 3rd Law: Finding Opposing Forces Between Two Boxes
Mar 10, 2009
Replies
4
Views
2K
Why Does Falling on Ice Make You Slide Forward?
Mar 10, 2009
Replies
4
Views
4K
What does force/carge mean? I can't imagine it
Mar 10, 2009
Replies
2
Views
2K
Internal energy present, is there conservation of energy?
Mar 8, 2009
Replies
4
Views
4K
Calculating Third Cosmic Velocity: What Am I Missing?
Mar 8, 2009
Replies
3
Views
4K
Water waves accelerate in deeper water.
Mar 8, 2009
Replies
3
Views
3K
What Is the Connection Between Force and Acceleration?
Mar 8, 2009
Replies
4
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2K
Question concerning kinetic energy and potential energy
Mar 7, 2009
Replies
3
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2K
Free Body Diagram: Ax & Ay Direction Matters?
Mar 7, 2009
Replies
1
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3K
Minimizing final velocity on a balistic trajectory
Mar 7, 2009
Replies
3
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2K
Angular Momentum: Axis of Rotation & Centre of Mass
Mar 7, 2009
Replies
3
Views
2K
The Relationship Between Simple Pendulum Motion and Music
Mar 6, 2009
Replies
1
Views
2K
What factors affect the velocity of sound?
Mar 6, 2009
Replies
2
Views
2K
Projectile Motion: Questions on Velocity & Height
Mar 6, 2009
Replies
1
Views
2K
Is my derivation of circular motion equations correct?
Mar 4, 2009
Replies
8
Views
14K
Effect of friction on the foward momentum of an object
Mar 4, 2009
Replies
3
Views
2K
Rotational Inertia with weight loads
Mar 3, 2009
Replies
5
Views
5K
What Are the Physics Behind a Twisting Pendulum-Like 2D Object?
Mar 3, 2009
Replies
9
Views
2K
Calculating Motional EMF when v not perpendicular to B
Mar 3, 2009
Replies
1
Views
6K
Does tangential acceleration have direction like regular acceleration?
Mar 2, 2009
Replies
6
Views
5K
Energy Releases: Sound, Heat, Light - What's the Proportion?
Mar 2, 2009
Replies
10
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6K
Total energy produced by sound source
Mar 2, 2009
Replies
3
Views
4K
Black Holes & Energy Conservation: Balancing Act of Nature?
Mar 2, 2009
Replies
10
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3K
Bernoulli Equation: Compressible vs Incompressible Flows
Mar 2, 2009
Replies
5
Views
4K
What Trajectory Would a Proton Follow Near a Fixed Positively Charged Particle?
Mar 2, 2009
Replies
1
Views
2K
Lagrangian and conservations laws
Mar 2, 2009
Replies
3
Views
2K
Drag Coefficient out by a factor of 10, can anyone help?
Mar 2, 2009
Replies
1
Views
3K
Understanding elastic potential energy
Mar 2, 2009
Replies
5
Views
3K
Need Help Understanding Concepts of Centripetal Force.
Mar 1, 2009
Replies
7
Views
3K
Clarifying the Relationship Between Centripetal Force and Gravity
Mar 1, 2009
Replies
7
Views
6K
SUV Handling: Tires & Friction - Equations Included
Mar 1, 2009
Replies
1
Views
3K
Unlock the Secret of Phone Book Friction
Feb 28, 2009
Replies
34
Views
55K
Specific Impulse and Exhaust Velocity
Feb 26, 2009
Replies
11
Views
18K
Quasi-standing wave, speedboat
Feb 26, 2009
Replies
1
Views
2K
Angular momentum and Newtons' law relation
Feb 26, 2009
Replies
18
Views
10K
How Does an Impulse Affect the Motion of a Cube?
Feb 26, 2009
Replies
1
Views
2K
Move Pendulum: Forces, Positions & Arbitrary Movements
Feb 26, 2009
Replies
4
Views
2K
Center of gravity/ weight distribution
Feb 25, 2009
Replies
2
Views
6K
Force required to lift a water propelled rocket
Feb 24, 2009
Replies
13
Views
7K
Modal analysis of a pin-jointed frameworks
Feb 24, 2009
Replies
4
Views
4K
Calculating coefficient of max static friction
Feb 24, 2009
Replies
2
Views
7K
Newton's law and conservation of linear momentum
Feb 23, 2009
Replies
9
Views
25K
How to calculate thermionic work function
Feb 23, 2009
Replies
2
Views
3K
How can I make my rocket/glider work correctly?
Feb 23, 2009
Replies
2
Views
6K
Free Fall: Heavier Object Hits Ground First?
Feb 23, 2009
Replies
16
Views
7K
Determining path, timing and velocity from a 3d accelerometer
Feb 23, 2009
Replies
5
Views
8K
Easy question about weight transfer of cars
Feb 23, 2009
Replies
2
Views
2K
Question about projectile motion
Feb 22, 2009
Replies
4
Views
2K
Constant acceleration rate equations
Feb 22, 2009
Replies
2
Views
3K
Is this sorta mechanical component ever made?
Feb 22, 2009
Replies
13
Views
3K
The value for normal room pressure?
Feb 22, 2009
Replies
4
Views
10K
Maximum air velocity in ambient conditions?
Feb 22, 2009
Replies
1
Views
5K
Angle change due to acceleration
Feb 22, 2009
Replies
1
Views
3K
How Does Centrifugal Force Work in a Rotating Space Station?
Feb 22, 2009
Replies
18
Views
6K
Differential drag on a cup anemometer
Feb 22, 2009
Replies
5
Views
6K
Question about objects and motion
Feb 21, 2009
Replies
3
Views
2K
How to calculate the trajectory of a mortar round.
Feb 20, 2009
Replies
5
Views
31K
Calculation of torque in friction welding
Feb 20, 2009
Replies
2
Views
10K
Is Itzhak Bars' Book on Quantum Mechanics Worth the 10.25 MB Download?
Feb 20, 2009
Replies
5
Views
9K
Why do I feel differently when standing in 90 degree air vs water?
Feb 20, 2009
Replies
5
Views
51K
What force is required to rotate a space ship?
Feb 19, 2009
Replies
8
Views
6K
Torsion Rigidity: Definition & Examples
Feb 19, 2009
Replies
1
Views
12K
Injecting an unflated balloon with vacuum
Feb 19, 2009
Replies
20
Views
5K
Gravitational Potential Energy of a satellite
Feb 19, 2009
Replies
7
Views
3K
What's the best self-study book for statistical mechanics?
Feb 19, 2009
Replies
1
Views
5K
Can someone please explain this remark in Landau-Lifshitz's *Mechanics*?
Feb 18, 2009
Replies
1
Views
4K
Solving Pendulum Pulley System w/ Gravity: H.G.'s Question
Feb 18, 2009
Replies
7
Views
3K
Potential has various meanings
Feb 18, 2009
Replies
6
Views
2K
A thought regarding angular acceleration, gravity, and weight.
Feb 17, 2009
Replies
15
Views
5K
What causes the decrease in pressure in a smaller diameter tube?
Feb 17, 2009
Replies
7
Views
13K
Velocity Time Graph For Projectile
Feb 17, 2009
Replies
8
Views
13K
Solving Elasticity Problems
Feb 17, 2009
Replies
2
Views
4K
Water Bending Trick: How Does It Work?
Feb 16, 2009
Replies
2
Views
3K
Can External Pressure Increase the Pressure Inside a Sealed Sphere?
Feb 16, 2009
Replies
6
Views
2K
Discover the Legitimacy of the Freefall Velocity Formula | Explained by Eliot
Feb 16, 2009
Replies
2
Views
2K
How do SPM and STM achieve nanoscale probing without contact?
Feb 16, 2009
Replies
1
Views
1K
Pendulum on a Cart - Is There a Max Swing Angle?
Feb 16, 2009
Replies
10
Views
3K
Can a stiffer spring help my Newton Scooter travel 1.5 meters?
Feb 16, 2009
Replies
1
Views
4K
Satellite Collision: What Are Your Thoughts?
Feb 16, 2009
Replies
3
Views
2K
Two Balls Dropped: Separate or Together?
Feb 15, 2009
Replies
2
Views
3K
Why Does the Hammer Appear to Change Rotation Direction in Mid-Air?
Feb 15, 2009
Replies
6
Views
4K
Calculating Horse Race Energy & Power
Feb 14, 2009
Replies
8
Views
5K
Clouds are water liquid, not vapour, why it don't fall down?
Feb 14, 2009
Replies
2
Views
3K
What is the Mechanical Energy Available in an Automotive Shock Absorber?
Feb 14, 2009
Replies
8
Views
6K
Stress due to rotation in a ring mounted on a shaft
Feb 13, 2009
Replies
4
Views
8K
How Much Work is Done by a Spring on a Sliding Ladle?
Feb 12, 2009
Replies
1
Views
10K
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