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Simple rigid body collision reaction
Jan 11, 2012
Replies
1
Views
2K
A car dealerships garage door hit my wifes car.
Jan 10, 2012
Replies
2
Views
2K
Vertical and horizontal motion
Jan 10, 2012
Replies
7
Views
3K
Column Pressure and conservation of energy
Jan 10, 2012
Replies
3
Views
2K
Question about static friction and energy loss
Jan 10, 2012
Replies
4
Views
5K
Collisions in the centre of mass frame
Jan 10, 2012
Replies
5
Views
2K
Why Does Oil Float Above Water?
Jan 9, 2012
Replies
22
Views
62K
Spring Constant and cord length? * Need explanation*
Jan 9, 2012
Replies
1
Views
2K
Can one derive F=ma from kinetic energy ?
Jan 9, 2012
Replies
6
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4K
The Gravity Paradox: Does Mass Affect Speed?
Jan 9, 2012
Replies
7
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10K
Influence of Centrifugal force in 'g'
Jan 8, 2012
Replies
3
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2K
Average Velocity in One Dimension
Jan 8, 2012
Replies
2
Views
3K
How much do you weight in an elevator?
Jan 7, 2012
Replies
9
Views
19K
Toboggan National Championships: Speed Theory Debate
Jan 7, 2012
Replies
11
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11K
Calculating work done with angles
Jan 7, 2012
Replies
7
Views
19K
Proton=positron+neutron. what about law of conservation of mass?
Jan 7, 2012
Replies
4
Views
3K
Is it possible to simplify the drag equation for 3D programming purposes?
Jan 7, 2012
Replies
1
Views
4K
Rotation of a sphere because of its gravitational field
Jan 7, 2012
Replies
23
Views
4K
Direction of frictional force in wheels
Jan 7, 2012
Replies
6
Views
26K
Does Nozzle Orientation Affect Speed in Compressed Air Powered Boats?
Jan 7, 2012
Replies
14
Views
14K
Is there lag as force is converted into acceleration?
Jan 7, 2012
Replies
4
Views
2K
Creating a simple Friction model
Jan 7, 2012
Replies
13
Views
8K
Can Torque Explain the Motion of an Ideal Pendulum?
Jan 6, 2012
Replies
4
Views
3K
Integrate vector in rotating frame?
Jan 6, 2012
Replies
1
Views
2K
Having problems calculating Y vs X of projectile
Jan 6, 2012
Replies
7
Views
2K
What causes atmospheric pressure: gravity or molecular collisions?
Jan 6, 2012
Replies
5
Views
9K
Angular momentum linear momentum
Jan 6, 2012
Replies
1
Views
2K
Motor that meets these requirements?
Jan 6, 2012
Replies
3
Views
2K
How to calculate momentum at right angle
Jan 6, 2012
Replies
1
Views
4K
Moving solar panel produce more power than a stationary one
Jan 5, 2012
Replies
2
Views
3K
Efficiency of a hollow sphere of bouncy balls?
Jan 5, 2012
Replies
18
Views
7K
Particle displacement vs time graph of sound. How can this happen?
Jan 5, 2012
Replies
7
Views
13K
Jumping perpendicular out of a fast spaceship will retain your speed right?
Jan 5, 2012
Replies
4
Views
2K
Does marbles have friction or not?
Jan 5, 2012
Replies
3
Views
6K
Controlling a material's opacity
Jan 5, 2012
Replies
3
Views
2K
Conservation of angular momentum vs. linear momentum
Jan 4, 2012
Replies
7
Views
4K
How is acceleration possible if there is an everpresent equal+opp force?
Jan 4, 2012
Replies
7
Views
3K
My model of torque in a rod with mass
Jan 4, 2012
Replies
1
Views
3K
Did space missions use Newton's Theory of Gravity
Jan 4, 2012
Replies
6
Views
15K
Calculate Power from Water flow
Jan 4, 2012
Replies
2
Views
14K
KE of system / different reference frames question
Jan 4, 2012
3
Replies
124
Views
16K
When we r considering a ball that is thrown at 45 angle, with the air
Jan 4, 2012
Replies
28
Views
5K
Hardhat testing with steel ball dropped from a height
Jan 3, 2012
Replies
2
Views
3K
Maximum Angular velocity possible
Jan 3, 2012
Replies
6
Views
9K
How fast will the pressure decrease from a leaking gas tank?
Jan 3, 2012
Replies
1
Views
2K
Car moving at constant velocity.
Jan 2, 2012
Replies
4
Views
4K
Hydro-power output question(s)
Jan 2, 2012
Replies
9
Views
3K
How does a rocket stay stable during liftoff?
Jan 2, 2012
Replies
17
Views
14K
Why Multiply Force and Displacement in Work and Energy?
Jan 2, 2012
Replies
2
Views
3K
Efficient Pulley System for Fabric: Reduce Effort by 1/3 | Physics Forums"
Jan 1, 2012
Replies
2
Views
4K
Contravariant components and spherical component of acceleration
Jan 1, 2012
Replies
4
Views
3K
Working on Cannonball simulator
Jan 1, 2012
Replies
1
Views
3K
Gravitational acceleration from moon
Jan 1, 2012
Replies
3
Views
3K
Tension When Moving String w/ Object Attached
Jan 1, 2012
Replies
7
Views
2K
Snooker/billiard/Newton's balls
Jan 1, 2012
Replies
2
Views
3K
Why does water travel up in fabric/paper?
Jan 1, 2012
Replies
1
Views
6K
Confusion over Newton's 3rd law
Jan 1, 2012
Replies
28
Views
5K
The difference between sound and music
Jan 1, 2012
Replies
3
Views
5K
About acceleration of block with respect to wedge and ground
Jan 1, 2012
Replies
6
Views
3K
Calculate Engine Power with Speed & Water Resistance
Jan 1, 2012
Replies
1
Views
4K
Hot Air Balloon Rises due to Kinetic Energy of Molecules
Dec 31, 2011
Replies
10
Views
9K
Transformation matrix for components of acceleration
Dec 31, 2011
Replies
1
Views
4K
What causes one billiard ball to move another?`
Dec 30, 2011
Replies
6
Views
3K
Question on conservation of momentum
Dec 30, 2011
Replies
4
Views
2K
Angular momentum at a distance
Dec 30, 2011
Replies
6
Views
2K
Calculating new velocities after ball collision
Dec 30, 2011
Replies
13
Views
8K
How 'pressure' is a scaler quantity?
Dec 30, 2011
Replies
3
Views
2K
Gravity Power Plant Feasibility: Explained
Dec 30, 2011
Replies
3
Views
3K
Does salt added to water decrease the time needed to reach boiling point?
Dec 30, 2011
Replies
30
Views
41K
Law of inertia states roughly that an object will remain
Dec 29, 2011
Replies
5
Views
2K
Does a bass speaker create equal sound and pressure at both ends of a pipe?
Dec 29, 2011
Replies
11
Views
3K
Spherical Coordinate Systems(Cartesian, i think it called)
Dec 29, 2011
Replies
5
Views
3K
Deriving equation of simple harmonic motion
Dec 29, 2011
Replies
17
Views
64K
Velocity of falling object through fluid flowing upward
Dec 29, 2011
Replies
2
Views
3K
What is the degree of maximum g-force in a car's turn?
Dec 29, 2011
Replies
4
Views
4K
How Is Kinetic Energy Calculated and Converted into Electrical Energy?
Dec 29, 2011
Replies
3
Views
2K
Simulating Impacts of an Iron Man Suit: Free Program?
Dec 28, 2011
Replies
4
Views
2K
How Much Torque to Spin a Disk at 30,000 RPM?
Dec 28, 2011
Replies
1
Views
3K
Earth Rotation: Angular Momentum Conservation?
Dec 28, 2011
Replies
4
Views
3K
Question regarding pulse waves
Dec 28, 2011
Replies
1
Views
2K
How does the addition of a weight change the speed of an air rising in water?
Dec 28, 2011
Replies
11
Views
4K
Does Rope Position Affect Acceleration in Rotational Movement?
Dec 27, 2011
Replies
7
Views
3K
Carrier Swing & Deviation Ratio: Clarifying the Definitions
Dec 27, 2011
Replies
1
Views
5K
Does a Bicycle Require Less Torque to Maintain Speed Than to Start Moving?
Dec 27, 2011
Replies
1
Views
2K
Physics books for (elasticity - hydraustatics)
Dec 27, 2011
Replies
1
Views
2K
Work in a PV Curve: Is the Work Done 0?
Dec 26, 2011
Replies
1
Views
2K
Object moving radially outward on Rotating Flywheel
Dec 26, 2011
Replies
5
Views
5K
Questions on the kinetic molecular theory of gases
Dec 26, 2011
Replies
4
Views
7K
If this is not a Bernoulli spiral, what is it then?
Dec 26, 2011
Replies
7
Views
3K
Expression for time period of simple pendulum
Dec 25, 2011
Replies
1
Views
10K
Solving the Falling Pencil: How Small is the Degree Difference?
Dec 24, 2011
Replies
9
Views
7K
Oblique collisions between non-sliding surfaces
Dec 24, 2011
Replies
1
Views
3K
Friction & Rolling: Flat Surface, Constant Speed
Dec 23, 2011
Replies
10
Views
3K
What is the difference between Langrangian, Hamiltonian and Newtonian Mechanics?
Dec 23, 2011
Replies
13
Views
35K
Solving Speed, Road and Time Equations
Dec 23, 2011
Replies
5
Views
2K
Cassini ovals being the equipotential lines?
Dec 23, 2011
Replies
1
Views
3K
Momentum & Impulse: Throwing a Ball at the Wall
Dec 23, 2011
Replies
6
Views
3K
Calculating Power from Acceleration
Dec 22, 2011
Replies
5
Views
14K
Non-inertial Frames - Newton's Laws of Motion
Dec 22, 2011
Replies
10
Views
5K
How does accelerating an object affect the force of friction?
Dec 22, 2011
Replies
1
Views
15K
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