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Using chilled air to cool water
Dec 15, 2010
Replies
3
Views
4K
Something wrong with the equations of work
Dec 15, 2010
Replies
1
Views
1K
What is the formula for final velocity that has time in it?
Dec 15, 2010
Replies
2
Views
18K
Power Formula & Net Work: Is It Possible?
Dec 14, 2010
Replies
1
Views
1K
Elastic collision momentum transfer
Dec 14, 2010
Replies
6
Views
12K
How Does a Frictionless Pulley Influence Acceleration in Connected Masses?
Dec 14, 2010
Replies
4
Views
2K
Calculating Kinetic Energy of an Object Falling from Space
Dec 14, 2010
Replies
1
Views
4K
Why do rotating bodies continue to spin without an external torque?
Dec 13, 2010
Replies
3
Views
2K
Air Cannon Projectile Velocity Calculations help please
Dec 13, 2010
Replies
1
Views
5K
Breaking the sound barrier underwater?
Dec 13, 2010
Replies
8
Views
10K
Formula for acceleration between to object.
Dec 12, 2010
Replies
33
Views
5K
What is a pseudo vector (in the context of torque) ?
Dec 12, 2010
Replies
1
Views
6K
Collision between alpha particle and helium atom
Dec 12, 2010
Replies
2
Views
3K
Can Physics Explain the Secrets Behind Card Magic Tricks?
Dec 11, 2010
Replies
4
Views
2K
What is the relationship between constant speed rolling motion and friction?
Dec 11, 2010
Replies
9
Views
2K
Two-Mass Spring System: Find Position of Second Mass as a Function of Time
Dec 11, 2010
Replies
2
Views
2K
Why is there a wiwj at the end in the kinetic energy expression?
Dec 11, 2010
Replies
7
Views
2K
What is the ending pressure of the Helium gas?
Dec 11, 2010
Replies
1
Views
1K
Frictional Force: Reaction Force & Turning Cars
Dec 11, 2010
Replies
8
Views
3K
How do I derive the projectile parabola equation using equations of motion?
Dec 10, 2010
Replies
2
Views
3K
Calculating Force Needed for Maglev Track: Mechanics Help Needed
Dec 10, 2010
Replies
8
Views
2K
How Does a Holographic Grating Work?
Dec 10, 2010
Replies
17
Views
4K
Calculating Force of a Free Falling Weight: 500 lb Steel Ball
Dec 10, 2010
Replies
1
Views
3K
High Pressure Valve Opening - Collision Mechanics
Dec 10, 2010
Replies
6
Views
4K
Boltzmann collision term irreversibility
Dec 10, 2010
Replies
1
Views
2K
Changing a planets rotation speed
Dec 10, 2010
Replies
28
Views
9K
[Paradox] Spring, work, force problem
Dec 10, 2010
Replies
2
Views
12K
Angular Acceleration Differential
Dec 9, 2010
Replies
10
Views
3K
Jumping in a Moving Box: Effects of Acceleration and Vacuum Conditions
Dec 9, 2010
Replies
10
Views
3K
Airfoil lift in superfluid flow
Dec 9, 2010
Replies
12
Views
7K
Pumping fluid against a centrifugal force
Dec 9, 2010
Replies
1
Views
3K
Which Distance is Correct for a Free Falling Object?
Dec 9, 2010
Replies
4
Views
3K
Generating Power with a Motor and Generator Setup
Dec 9, 2010
Replies
2
Views
2K
Potential energy greater total energy in the system?
Dec 9, 2010
Replies
4
Views
8K
Is this the correct way to find power?
Dec 8, 2010
Replies
2
Views
2K
What is the effect of conveyor belt inertia on the movement of a ball?
Dec 8, 2010
Replies
2
Views
6K
What is the difference between Potential and Potential energy?
Dec 8, 2010
Replies
5
Views
54K
Understanding the Contradiction: Point Charge near Grounded Conducting Sphere
Dec 8, 2010
Replies
7
Views
2K
Effect of Multiple Springs with Different Spring Constants on Plate Compression
Dec 8, 2010
Replies
4
Views
4K
Gravity & Momentum: Direction's Role in Observation
Dec 8, 2010
Replies
2
Views
2K
Throwing a Baseball to Break the Sound Barrier?
Dec 8, 2010
Replies
11
Views
5K
How do digital cameras capture images using the photoelectric effect?
Dec 8, 2010
Replies
2
Views
6K
Partial pressure and liquid water
Dec 7, 2010
Replies
3
Views
6K
A question about the motion of a flying insect inside a moving vehicle
Dec 6, 2010
Replies
3
Views
6K
Physics and Weight Training Questions
Dec 5, 2010
Replies
6
Views
4K
Does temperature affect a spring's properties underwater?
Dec 5, 2010
Replies
1
Views
3K
Why Does a Pendulum's Motion Change Direction Over Time?
Dec 5, 2010
Replies
3
Views
4K
Could you walk across a swimming pool filled w/ ping pong balls?
Dec 5, 2010
Replies
12
Views
5K
Confused by radial vs. centripetal acceleration
Dec 5, 2010
Replies
3
Views
15K
How can the lift equation be derived using Bernoulli's law?
Dec 5, 2010
Replies
6
Views
18K
Cannon recoil WITHOUT projectile?
Dec 5, 2010
Replies
2
Views
2K
Flow rate and velocity form a Conical tank.
Dec 5, 2010
Replies
1
Views
5K
Principal axes of the moment of inertia
Dec 5, 2010
Replies
1
Views
4K
Do Newton's Laws Predict Equal Forces Between Two Bodies of Similar Mass?
Dec 4, 2010
Replies
4
Views
3K
How Does a Bat Rotate and Translate After Being Struck by a Ball?
Dec 4, 2010
Replies
3
Views
4K
Cons. Angular Momentum & Reference Frames
Dec 4, 2010
Replies
5
Views
4K
Why Does Water Expand on Heating/Cooling?
Dec 4, 2010
Replies
1
Views
2K
Can You Apply Bernoulli's Equation and Continuity for This Fluid System?
Dec 3, 2010
Replies
1
Views
2K
The physics of tornadoes and interior pressure
Dec 3, 2010
Replies
1
Views
4K
What Are Simple Methods to Measure Surface Tension at Home?
Dec 3, 2010
Replies
1
Views
4K
When calculating the amount of work done, using the force applied and
Dec 3, 2010
Replies
5
Views
2K
Can a Ball Slide Rather Than Roll Down an Accelerating Inclined Plane?
Dec 3, 2010
Replies
11
Views
11K
Conservation of mechanical energy and external forces. A bit confused
Dec 3, 2010
Replies
3
Views
4K
Bat Sweet Spot Location Calculation
Dec 3, 2010
Replies
8
Views
8K
Arguing with physics teacher. Is there a terminal velocity(I know its a speed) ?
Dec 2, 2010
Replies
14
Views
9K
Measuring Torque Without Stalling Motor | Battery-Powered Solutions
Dec 2, 2010
Replies
1
Views
4K
Question about energy of a speeding object, hitting a stationary object.
Dec 2, 2010
Replies
1
Views
4K
Why Is There a Negative Sign When Calculating Power with P=IV?
Dec 1, 2010
Replies
1
Views
4K
People say there is weightlessnes
Dec 1, 2010
Replies
3
Views
2K
Can a buoyant object achieve perpetual motion?
Dec 1, 2010
Replies
2
Views
3K
Work & Energy: Definition and History
Nov 30, 2010
Replies
1
Views
1K
Understanding Kinematics for Inertial to Body Conversion
Nov 30, 2010
Replies
4
Views
2K
Damped Coupled Oscillators, Deformations and Energy Lost in Collisions
Nov 30, 2010
Replies
2
Views
2K
Does an Object Lose Potential Energy as It Gains Kinetic Energy?
Nov 30, 2010
Replies
2
Views
2K
Understanding Pressure in Liquids: The Role of Electromagnetic Forces
Nov 30, 2010
Replies
2
Views
3K
How Does Human Power Relate to Acceleration in Lifting 40kg Up 36m?
Nov 30, 2010
Replies
2
Views
2K
Calculate the Coefficient of Friction for a Frozen Turkey
Nov 29, 2010
Replies
3
Views
2K
Is Time the Fourth Dimension in the Universe?
Nov 29, 2010
Replies
1
Views
2K
Bernoulli and flow in a flooding river
Nov 29, 2010
Replies
4
Views
7K
Conservation of Momentum and Energy of metal pucks
Nov 29, 2010
Replies
5
Views
3K
How do you determine conservation of momentum
Nov 29, 2010
Replies
4
Views
2K
Could this happen? Proton-Antineutron Collision
Nov 29, 2010
Replies
1
Views
4K
How Fast Does a Trebuchet Counterweight Travel?
Nov 29, 2010
Replies
11
Views
5K
How Does Dirac Challenge Classical Mechanics Assumptions in Quantum Theory?
Nov 29, 2010
Replies
6
Views
2K
Kinetic Energy and Inelastic Collisions
Nov 28, 2010
2
Replies
50
Views
67K
Flat vs inflated bike tire - friction
Nov 28, 2010
Replies
8
Views
14K
Is the Formula for Surface Tension Incorrect?
Nov 28, 2010
Replies
26
Views
5K
Video Lectures for Quantum Mechanics?
Nov 28, 2010
Replies
4
Views
36K
Fusion of the isotopes of hydrogen
Nov 27, 2010
Replies
1
Views
5K
Friction between two stacked blocks
Nov 27, 2010
Replies
18
Views
18K
Question about the Reynolds number and fluid drag
Nov 27, 2010
Replies
1
Views
3K
Understanding Gravitational Potential Energy: 3 Questions Answered
Nov 27, 2010
Replies
2
Views
2K
Finding the length of a pendulum
Nov 27, 2010
Replies
1
Views
2K
Does Using Inertia Help or Hinder Weight Lifting?
Nov 26, 2010
Replies
11
Views
4K
Relation between torque and speed
Nov 26, 2010
Replies
2
Views
11K
Pressure energy(fluid mechanics)
Nov 26, 2010
Replies
9
Views
16K
Fundamental doubt on Acceleration.
Nov 25, 2010
Replies
5
Views
2K
Terminal velocity of an object falling through a liquid
Nov 25, 2010
Replies
7
Views
9K
What Conditions Allow a Thrown Ball to Return to the Thrower?
Nov 25, 2010
Replies
3
Views
2K
Dewatering Fiberglass - Vacuum
Nov 24, 2010
Replies
28
Views
10K
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