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Newton's Laws question : On springs and pulley system
Jul 12, 2011
Replies
1
Views
3K
Is the speed of sound relative?
Jul 11, 2011
Replies
13
Views
8K
What is the Formula for Calculating Force of Friction on an Inclined Surface?
Jul 11, 2011
Replies
2
Views
9K
Power required to make gaseous Oxygen
Jul 11, 2011
Replies
1
Views
2K
Is there a correlation between compressibility factor and temperature in gases?
Jul 11, 2011
Replies
13
Views
4K
Difference between Torque Converter and Clutch ?
Jul 11, 2011
Replies
2
Views
5K
Calculating Force from Water Flow: Math Help
Jul 11, 2011
Replies
2
Views
4K
Simple (or not so simple) Momentum question
Jul 11, 2011
Replies
4
Views
3K
Question about why this vacuum setup works.
Jul 10, 2011
Replies
2
Views
2K
How Does Suction in Bongs and Hookahs Influence Smoking Dynamics?
Jul 9, 2011
Replies
5
Views
12K
Angular Velocity & Mass: Shaft Rotation & Disc Effects
Jul 9, 2011
Replies
1
Views
2K
Pressure & Velicity Relation in Fluids/gases
Jul 9, 2011
Replies
1
Views
2K
Inertia Tensor as a Transformation
Jul 9, 2011
Replies
1
Views
3K
Reverse osmosis perpetual motion machine
Jul 9, 2011
2
Replies
62
Views
22K
Converting velocity to pressure
Jul 9, 2011
Replies
4
Views
22K
What is the time and velocity of a falling helicopter wheel?
Jul 9, 2011
Replies
6
Views
3K
Calculating Force from Pressure in Water Rocket Building
Jul 8, 2011
Replies
4
Views
3K
Calculating Air Speed for Low Flying RC Airplanes
Jul 8, 2011
Replies
6
Views
2K
What is the limit of average speed as time interval approaches zero?
Jul 8, 2011
Replies
5
Views
4K
Inertia in the case of sudden stops?
Jul 8, 2011
Replies
21
Views
10K
The final explanation to why kinetic energy is proportional to velocity squared
Jul 8, 2011
2
Replies
65
Views
45K
How to get water in air tight container w/ other specifics
Jul 7, 2011
Replies
13
Views
10K
Converting tangential momentum to angular momentum
Jul 7, 2011
Replies
1
Views
5K
No gravity at center of earth= no pressure?
Jul 7, 2011
4
Replies
187
Views
50K
Change in direction and acceleration
Jul 7, 2011
Replies
5
Views
12K
What is the hardest equation you have come across in your Physics career?
Jul 7, 2011
Replies
16
Views
16K
Possible new formula for simple tension problems
Jul 7, 2011
Replies
1
Views
15K
How much falling water to generate 3KW
Jul 6, 2011
Replies
1
Views
2K
Non-symmetric nature of the Doppler Effect with sound
Jul 6, 2011
Replies
11
Views
7K
Calculating Block's Backward Pull in Physics Problem?
Jul 6, 2011
Replies
2
Views
2K
Need extra practice for Newton's laws?
Jul 6, 2011
Replies
1
Views
2K
Can Sound Really Exist in the Vacuum of Space?
Jul 6, 2011
Replies
3
Views
4K
Kinetic theory of gases - Maximum speed
Jul 6, 2011
Replies
11
Views
4K
Is the transfer from 2D mechanics to 3D mechanics intimidating?
Jul 6, 2011
2
Replies
52
Views
7K
Piston moving 1m per hr, how to power a generator?
Jul 6, 2011
Replies
16
Views
3K
Angular forms of acceleration, velocity and displacement
Jul 6, 2011
Replies
1
Views
2K
What do radial bearing and pressure bearing mean in physics?
Jul 5, 2011
Replies
6
Views
4K
Fas-Moving projectiles-Satellites
Jul 5, 2011
Replies
6
Views
2K
Falling objects: remedial education desperately needed
Jul 5, 2011
Replies
4
Views
2K
No friction needed a phenomena I can't understand
Jul 5, 2011
Replies
8
Views
3K
Static moment VS Moment of inertia - what's the difference?
Jul 5, 2011
Replies
7
Views
38K
Weight vs Water Resistance: Comparing Exercise Challenges
Jul 5, 2011
Replies
2
Views
2K
Can you break the sound barrier under water?
Jul 5, 2011
Replies
22
Views
30K
If Moment of Inertia units are mm^4, how do you use it in calculations?
Jul 4, 2011
Replies
11
Views
50K
What is the extent of Calculus in Halliday and Resnick's Kinematics textbook?
Jul 3, 2011
Replies
5
Views
7K
Can I treat blocks as a single axis of rotation?
Jul 3, 2011
Replies
6
Views
3K
Inclined Plane Physics: Cylinder vs. Superconductor
Jul 3, 2011
Replies
8
Views
3K
Proof and challenge about projectile motion
Jul 3, 2011
Replies
3
Views
4K
Energy-momentum tensor: metric tensor or kronecker tensor appearing?
Jul 3, 2011
Replies
2
Views
6K
What is the Young's modulus of balloon?
Jul 3, 2011
Replies
2
Views
7K
Height values based off barometric pressure
Jul 2, 2011
Replies
2
Views
2K
Newtonian derivation of Scwarzchild radius
Jul 2, 2011
Replies
5
Views
3K
Does a bottle of water or a bottle of ice roll downhill faster? [Video]
Jul 1, 2011
Replies
9
Views
17K
How Do Tractive Forces and Rolling Resistance Affect a Car Wheel's Motion?
Jul 1, 2011
Replies
6
Views
3K
Calculating equipotential surfaces
Jun 30, 2011
Replies
26
Views
16K
Torque Required to Spin Solid Cylinder
Jun 30, 2011
Replies
4
Views
10K
Rotation of a body about a point with decreasing radius
Jun 30, 2011
Replies
12
Views
6K
Constant pressure and constant volume?
Jun 30, 2011
Replies
4
Views
3K
Dense Helium Balloons: Will They Rise or Fall?
Jun 30, 2011
Replies
5
Views
2K
Why Do You Move Backwards When Jumping Inside an Accelerating Bus?
Jun 30, 2011
Replies
2
Views
4K
Celestial Mechanics: Solving Differential Equations for N-Body Systems
Jun 30, 2011
Replies
2
Views
2K
Rotated Section - Moment of Inertia
Jun 30, 2011
Replies
3
Views
10K
Powering Propeller with Pulley
Jun 29, 2011
Replies
2
Views
3K
Projectile motion experimental vs theoretical results
Jun 29, 2011
Replies
7
Views
7K
Does Water Evaporate Differently in a Beaker vs. a Pan Under a Bell Jar?
Jun 29, 2011
Replies
1
Views
2K
Simple pulley question- single fixed
Jun 29, 2011
Replies
1
Views
3K
Conservation of Momentum question
Jun 28, 2011
Replies
11
Views
3K
Conservation of energy in ALL frames of reference?
Jun 28, 2011
Replies
3
Views
2K
Β+ decay: voiding conservation of mass or creating something with negative mass
Jun 28, 2011
Replies
4
Views
5K
How an object in translatory motion comes to rotary motion
Jun 28, 2011
Replies
4
Views
3K
Classical and Quantum Mechanics via Lie algebras
Jun 28, 2011
3
Replies
136
Views
55K
Momentum of a rocket with pressurized gas
Jun 28, 2011
Replies
4
Views
2K
Calculating Collision Speed: Momentum or Kinetic Energy?
Jun 27, 2011
Replies
2
Views
2K
Does Spring Coefficient Affect Velocity Change?
Jun 27, 2011
Replies
21
Views
3K
Helix Formation with Elastic Rope: Equations of Motion for X(t) and (Theta)(t)
Jun 27, 2011
Replies
2
Views
2K
Free Fall: Understanding Conditions & Air Resistance
Jun 27, 2011
Replies
14
Views
4K
Solving Collisions with angles problem
Jun 26, 2011
Replies
3
Views
3K
Connected Pendulums: Momentum Transfer Time
Jun 26, 2011
Replies
8
Views
4K
How to calculate the velocity of a bullet fired by a rifle?
Jun 26, 2011
Replies
12
Views
40K
Osmosis, osmotic pressure, vapour pressure
Jun 26, 2011
Replies
5
Views
18K
Bernoulli Equation VS. V1A1 = V2A2
Jun 25, 2011
Replies
1
Views
16K
The Mystery: Bat Speed vs. Weight in Slowpitch Softball
Jun 25, 2011
Replies
23
Views
12K
Softball Bat Speed vs Bat Weight
Jun 25, 2011
Replies
1
Views
4K
What will happen if I assemble magnets with flush joints and the same polarity?
Jun 25, 2011
Replies
4
Views
3K
Galactic Rotation, Outboard Mass Included?
Jun 25, 2011
2
Replies
57
Views
7K
Why only kinetic energy in the work-energy theorem?
Jun 25, 2011
Replies
2
Views
9K
Do Photons Follow the Rules of Mechanics for Collisions?
Jun 24, 2011
Replies
4
Views
23K
Tennis ball speed after bounce
Jun 24, 2011
Replies
5
Views
12K
Can a moving car's weight be accurately measured on a scale?
Jun 24, 2011
Replies
25
Views
21K
Blood flow, Bernoulli's equation and Poiseuille's equation
Jun 24, 2011
Replies
3
Views
26K
Effect of motion in friction calculation
Jun 24, 2011
Replies
1
Views
2K
Same Link Between Momentum, Energy & Mass
Jun 23, 2011
Replies
2
Views
2K
Can you do sum of all moments on a point that's not a rotational axis?
Jun 23, 2011
Replies
5
Views
7K
Tidal energy - drag on the moon?
Jun 23, 2011
Replies
7
Views
7K
Variation on Pendulum Function
Jun 23, 2011
Replies
31
Views
6K
Bernoulli Principle with Bullets
Jun 22, 2011
Replies
4
Views
5K
Find Approximate BTU of Air in 10 Cubic ft of 95F Water
Jun 22, 2011
Replies
9
Views
2K
Calculating Water Pressure in a 100ft Pipe
Jun 22, 2011
Replies
11
Views
4K
Why do we rotate along with the earth's rotation?
Jun 22, 2011
3
Replies
134
Views
25K
Work-Energy Theorem: Understanding Vertical Movement
Jun 22, 2011
Replies
11
Views
8K
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