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What's the point of Escape Velocity?
Feb 27, 2013
Replies
42
Views
8K
Friction for different contacts
Feb 26, 2013
Replies
1
Views
1K
Violating the law of conservation of energy
Feb 26, 2013
Replies
4
Views
2K
Divergence of velocity of incompressible fluid in uniform gravity
Feb 26, 2013
Replies
5
Views
3K
Proof of Projectile Motion: Displacement and Gravity Explained
Feb 26, 2013
Replies
4
Views
2K
About spring constant and Hooke's law
Feb 25, 2013
Replies
2
Views
3K
A general question regarding classical mechanics.
Feb 25, 2013
Replies
6
Views
2K
Vapor Pressure Measurement Problem
Feb 25, 2013
Replies
2
Views
2K
How can you measure the swingweight of a tennis racquet without expensive tools?
Feb 24, 2013
Replies
1
Views
5K
Difference between particle velocity and phase velocity
Feb 24, 2013
Replies
4
Views
18K
Potential Energy of a Spring Contradiction?
Feb 24, 2013
Replies
2
Views
2K
Pumping water versus expulsion
Feb 24, 2013
Replies
1
Views
2K
Kinematics of a particle with drag
Feb 24, 2013
Replies
5
Views
3K
Calculate max depth in water a hollow steel sphere can withstand
Feb 24, 2013
Replies
4
Views
7K
Bounce a ball off a round post: where does it go?
Feb 24, 2013
Replies
11
Views
2K
Torque, point or axis of rotation
Feb 24, 2013
Replies
6
Views
3K
Is the Force-Displacement Relationship Conserved in Energy Conservation?
Feb 24, 2013
Replies
11
Views
10K
Situations where torque does no work
Feb 23, 2013
Replies
2
Views
1K
What happens to rotational inertia when external forces disappear?
Feb 23, 2013
Replies
14
Views
3K
How do you measure the air pressure inside a balloon?
Feb 23, 2013
Replies
3
Views
19K
How can I calculate the depth of bullet penetration in different materials?
Feb 22, 2013
Replies
5
Views
3K
Kinetic Energy in Inelastic Collision
Feb 22, 2013
Replies
14
Views
7K
What are the hamilton equations of motion for homogeneous lagrangians?
Feb 22, 2013
Replies
1
Views
2K
Angular Momentum of a sliding disc about a point on the floor
Feb 21, 2013
Replies
2
Views
2K
Derivation of Gravitational Potential
Feb 21, 2013
Replies
8
Views
3K
Difference between momentum & KE. Please, help.
Feb 21, 2013
Replies
10
Views
3K
Single frequency- phase and group velocity?
Feb 21, 2013
Replies
1
Views
2K
How Water Can Form "Reverse Bubbles" - Explained
Feb 21, 2013
Replies
19
Views
4K
Acoustic impedance- pressure and velocity
Feb 21, 2013
Replies
1
Views
2K
Is Cooling Without Work Possible Under the Sun's Heat?
Feb 20, 2013
Replies
10
Views
2K
Pressure Loss owing to multiple nozzles
Feb 20, 2013
Replies
1
Views
7K
Vacuum pressure inside a 650 gallon tank
Feb 20, 2013
Replies
5
Views
3K
Questions about the drag equation and aerodynamics
Feb 20, 2013
Replies
7
Views
4K
Is it Possible for a Photon to Be at Rest?
Feb 20, 2013
Replies
7
Views
2K
Concerning centripetal accelaeration & force
Feb 19, 2013
Replies
11
Views
2K
How to express strengt to weight ratio of test samples
Feb 19, 2013
Replies
2
Views
2K
What Are the Different Dimensions of Sound and How Can They Be Distinguished?
Feb 19, 2013
Replies
2
Views
1K
Use of capillarity in pumping water
Feb 19, 2013
Replies
3
Views
2K
How to Calculate Back Pressure in a 24" Sparge Pipe?
Feb 19, 2013
Replies
1
Views
21K
Simple horizontal harmonic oscillator with spring that has a mass.
Feb 19, 2013
Replies
3
Views
2K
Understanding the Incompatibility of Oil and Water: A Scientific Explanation
Feb 19, 2013
Replies
2
Views
2K
Water Circling Drain Coriolis effect
Feb 18, 2013
Replies
4
Views
3K
Why does it take longer to cook in lower pressures?
Feb 18, 2013
Replies
10
Views
4K
Inelastic Collisions: Momentum Conservation
Feb 18, 2013
Replies
14
Views
3K
Work Energy Theorem and total work
Feb 18, 2013
Replies
2
Views
2K
Shear stress and pressure drop
Feb 18, 2013
Replies
12
Views
21K
Higgs or Einstein: who describes mass/inertia comprehensively?
Feb 18, 2013
Replies
4
Views
2K
Trying to determine initial thrust on an object from angular velocity?
Feb 18, 2013
Replies
1
Views
2K
Concept of 'work done' on a smooth slope (high school-level physics)
Feb 17, 2013
Replies
16
Views
11K
Hit a roadblock trying to calculate minimal velocity.
Feb 17, 2013
Replies
9
Views
2K
Is my statics approach correct for pushing a 1000lb cart up an inclined slope?
Feb 17, 2013
Replies
2
Views
2K
Bernoulli's equation and window panes
Feb 17, 2013
Replies
5
Views
4K
How can an object have an acceleration of 9.81m/s^2 when there is
Feb 16, 2013
Replies
29
Views
5K
Kater's Pendulum Vs Bar Pendulum
Feb 16, 2013
Replies
1
Views
10K
Could We Survive on a Planet with a 24-Minute Day?
Feb 15, 2013
Replies
5
Views
3K
Inertial Reference Frame Locally
Feb 15, 2013
Replies
3
Views
2K
Difference In Potential Energy
Feb 15, 2013
Replies
2
Views
2K
Foucault pendulum string medium
Feb 15, 2013
Replies
3
Views
3K
What is the difference between one-dimensional and two-dimensional motion?
Feb 15, 2013
Replies
6
Views
2K
What Is the Correct Unit for Mean Square Velocity?
Feb 15, 2013
Replies
4
Views
8K
Velocity for an object at the center of the earth?
Feb 14, 2013
Replies
1
Views
4K
Filters for Real World Accelerations
Feb 14, 2013
Replies
8
Views
3K
Who was the creator of principle of inertia
Feb 14, 2013
Replies
4
Views
2K
Does the mechanical advantage of a pulley change when lifting yourself
Feb 14, 2013
Replies
7
Views
9K
Spreading of a pulse as it propagates in a dispersive medium
Feb 14, 2013
Replies
2
Views
1K
Equations of Motion for an Object Falling in a Parabolic Bowl
Feb 14, 2013
Replies
35
Views
4K
Angular constraints on the Inverted Double Pendulum - 'Acrobot'
Feb 13, 2013
Replies
1
Views
2K
Is a 12V car battery more powerful than a 12V power adapter?
Feb 13, 2013
Replies
2
Views
2K
Is there a difference between contact time and impact time? (collsion)
Feb 13, 2013
Replies
4
Views
7K
Question about Newton's Law of Cooling
Feb 13, 2013
Replies
1
Views
3K
Confused on Static Friction - Walking and Driving
Feb 13, 2013
Replies
15
Views
27K
Projectile Problem: Aim 10 Meters Above Target?
Feb 13, 2013
Replies
2
Views
2K
Force converted to acceleration?
Feb 12, 2013
Replies
2
Views
11K
How can Simple Harmonic Motion have angular frequency?
Feb 12, 2013
Replies
21
Views
6K
What exactly is the reactive centrifugal force (split)
Feb 12, 2013
3
Replies
146
Views
20K
Perpendicular force calculated from torque and point of application?
Feb 12, 2013
Replies
2
Views
2K
Can Strong Magnetic Fields Effectively Move Water Molecules?
Feb 12, 2013
Replies
12
Views
3K
Is the Live Catch phenomenon in pinball caused by electro-magnetic energy?
Feb 12, 2013
Replies
4
Views
3K
Building a Particle Accelerator: Understanding Vacuum and Magnetism Techniques
Feb 11, 2013
Replies
16
Views
4K
Finding Sound Velocity in Iron: Examining Dispersion Curves
Feb 11, 2013
Replies
1
Views
2K
Variables of the double inverted pendulum
Feb 11, 2013
Replies
1
Views
2K
How pressure is measured using a manometer
Feb 11, 2013
Replies
2
Views
2K
Radius as a function of Uniform Circular Motion
Feb 11, 2013
Replies
2
Views
2K
Question about fluid dynamics (calculating concentration)
Feb 10, 2013
Replies
4
Views
2K
Accelerating a wheel of two different materials.
Feb 10, 2013
Replies
5
Views
2K
Is there water flow against gravity?
Feb 10, 2013
Replies
1
Views
4K
Is Rest Mass of Hydrogen Affected by Virtual Particles?
Feb 10, 2013
Replies
22
Views
13K
Is there a different law for balloon elasticity compared to metal springs?
Feb 10, 2013
Replies
7
Views
15K
Compute Impact Velocity Vector for Orbital Trajectory
Feb 10, 2013
Replies
5
Views
2K
Can Human Weight Wearing Shoes Be Less Than Body Weight Plus Shoe Weight?
Feb 10, 2013
Replies
3
Views
2K
Which freezes faster Hot or cold water?
Feb 9, 2013
Replies
3
Views
2K
How do you find terminal velocity?
Feb 9, 2013
Replies
2
Views
2K
Calculating force of explosion over distance in water
Feb 9, 2013
Replies
8
Views
3K
Why is atmospheric pressure the same indoors?
Feb 9, 2013
Replies
4
Views
4K
Calculating Drag: Measuring Time with Light Gates
Feb 8, 2013
Replies
1
Views
2K
What is the relationship between the limit and curvature of a trajectory?
Feb 8, 2013
Replies
2
Views
2K
Conversion of angular momentum to linear momentum
Feb 8, 2013
Replies
11
Views
7K
Spring damper system without a mass
Feb 8, 2013
Replies
8
Views
10K
Computing coefficient of friction without experiment
Feb 8, 2013
Replies
2
Views
1K
Finding the ratios of diatomic, monatomic and ionized hydrogen
Feb 8, 2013
Replies
1
Views
2K
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