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Undergrad Solving the Mystery of Pushing Off on Ice

Mar 9, 2009 · Replies 4 · Mar 9, 2009

Replies: 4

Views: 3K

Undergrad Increasing propulsion(rockets)-newb

Mar 3, 2009 · Replies 5 · Mar 9, 2009

Replies: 5

Views: 2K

High School Why Is It Easier to Swing a Linear Flat Stick Compared to Other Types?

Mar 9, 2009 · Replies 1 · Mar 9, 2009

Replies: 1

Views: 2K

Undergrad Internal energy present, is there conservation of energy?

Mar 7, 2009 · Replies 4 · Mar 8, 2009

Replies: 4

Views: 4K

Graduate Calculating Third Cosmic Velocity: What Am I Missing?

Mar 7, 2009 · Replies 3 · Mar 8, 2009

Replies: 3

Views: 4K

Undergrad Water waves accelerate in deeper water.

Mar 8, 2009 · Replies 3 · Mar 8, 2009

Replies: 3

Views: 3K

High School What Is the Connection Between Force and Acceleration?

Mar 8, 2009 · Replies 4 · Mar 8, 2009

Replies: 4

Views: 2K

High School No resultant force means no external force?

Mar 7, 2009 · Replies 12 · Mar 8, 2009

Replies: 12

Views: 5K

High School Frying Pans vs. Hammers: Which Drives Nails Farther with Same Mass and Velocity?

Mar 3, 2009 · Replies 20 · Mar 8, 2009

Replies: 20

Views: 4K

Undergrad Question concerning kinetic energy and potential energy

Mar 7, 2009 · Replies 3 · Mar 7, 2009

Replies: 3

Views: 2K

High School Free Body Diagram: Ax & Ay Direction Matters?

Mar 7, 2009 · Replies 1 · Mar 7, 2009

Replies: 1

Views: 3K

Undergrad Minimizing final velocity on a balistic trajectory

Mar 4, 2009 · Replies 3 · Mar 7, 2009

Replies: 3

Views: 2K

Undergrad Angular Momentum: Axis of Rotation & Centre of Mass

Mar 6, 2009 · Replies 3 · Mar 7, 2009

Replies: 3

Views: 2K

Undergrad The Relationship Between Simple Pendulum Motion and Music

Mar 4, 2009 · Replies 1 · Mar 6, 2009

Replies: 1

Views: 2K

Undergrad Solution to gravitational differential equation

Mar 6, 2009 · Replies 1 · Mar 6, 2009

Replies: 1

Views: 2K

Undergrad What factors affect the velocity of sound?

Mar 4, 2009 · Replies 2 · Mar 6, 2009

Replies: 2

Views: 2K

Undergrad What Defines the Maximum Frequency in Damped Driven Oscillations?

Feb 22, 2009 · Replies 3 · Mar 6, 2009

Replies: 3

Views: 4K

High School Projectile Motion: Questions on Velocity & Height

Mar 5, 2009 · Replies 1 · Mar 6, 2009

Replies: 1

Views: 2K

Undergrad Cross Product in Spherical Coordinates - Getting conflicting oppinions

Mar 3, 2009 · Replies 4 · Mar 5, 2009

Replies: 4

Views: 5K

Undergrad Is my derivation of circular motion equations correct?

Jan 9, 2009 · Replies 8 · Mar 4, 2009

Replies: 8

Views: 14K

High School Floating Arm Catapult: Understand How It Works

Mar 2, 2009 · Replies 1 · Mar 4, 2009

Replies: 1

Views: 2K

Undergrad Effect of friction on the foward momentum of an object

Mar 3, 2009 · Replies 3 · Mar 4, 2009

Replies: 3

Views: 2K

Graduate Find Mass Flow Rate: Formula & Explanation from a Rocket

Mar 1, 2009 · Replies 8 · Mar 3, 2009

Replies: 8

Views: 12K

Undergrad Rotational Inertia with weight loads

Mar 2, 2009 · Replies 5 · Mar 3, 2009

Replies: 5

Views: 5K

Undergrad What Are the Physics Behind a Twisting Pendulum-Like 2D Object?

Feb 26, 2009 · Replies 9 · Mar 3, 2009

Replies: 9

Views: 2K

Graduate Deriving 3D Deflection for Cylindrical Coiled Spring

Feb 26, 2009 · Replies 7 · Mar 3, 2009

Replies: 7

Views: 3K

Undergrad Calculating Motional EMF when v not perpendicular to B

Mar 2, 2009 · Replies 1 · Mar 3, 2009

Replies: 1

Views: 6K

Undergrad Does tangential acceleration have direction like regular acceleration?

Feb 5, 2009 · Replies 6 · Mar 2, 2009

Replies: 6

Views: 5K

High School Energy Releases: Sound, Heat, Light - What's the Proportion?

May 9, 2008 · Replies 10 · Mar 2, 2009

Replies: 10

Views: 6K

Undergrad Brain teaser involving very basic concepts?

Feb 25, 2009 · Replies 9 · Mar 2, 2009

Replies: 9

Views: 2K

Graduate Total energy produced by sound source

Feb 28, 2009 · Replies 3 · Mar 2, 2009

Replies: 3

Views: 4K

Graduate Black Holes & Energy Conservation: Balancing Act of Nature?

May 27, 2008 · Replies 10 · Mar 2, 2009

Replies: 10

Views: 3K

Undergrad Artillery recoil for a 76mm tank gun

Feb 27, 2009 · Replies 22 · Mar 2, 2009

Replies: 22

Views: 9K

Undergrad Bernoulli Equation: Compressible vs Incompressible Flows

Mar 2, 2009 · Replies 5 · Mar 2, 2009

Replies: 5

Views: 4K

Graduate What Trajectory Would a Proton Follow Near a Fixed Positively Charged Particle?

Mar 2, 2009 · Replies 1 · Mar 2, 2009

Replies: 1

Views: 2K

Graduate Lagrangian and conservations laws

Feb 22, 2009 · Replies 3 · Mar 2, 2009

Replies: 3

Views: 2K

Undergrad Drag Coefficient out by a factor of 10, can anyone help?

Mar 1, 2009 · Replies 1 · Mar 2, 2009

Replies: 1

Views: 3K

High School Understanding elastic potential energy

Mar 1, 2009 · Replies 5 · Mar 2, 2009

Replies: 5

Views: 4K

High School Build a Catapult to Shoot a Ball 2m into a Bucket

Mar 1, 2009 · Replies 1 · Mar 1, 2009

Replies: 1

Views: 2K

Undergrad Need Help Understanding Concepts of Centripetal Force.

Mar 1, 2009 · Replies 7 · Mar 1, 2009

Replies: 7

Views: 3K

Undergrad Clarifying the Relationship Between Centripetal Force and Gravity

Feb 22, 2009 · Replies 7 · Mar 1, 2009

Replies: 7

Views: 6K

Undergrad Confused about energy in a system (Understanding)

Sep 25, 2008 · Replies 5 · Mar 1, 2009

Replies: 5

Views: 2K

Undergrad SUV Handling: Tires & Friction - Equations Included

Mar 1, 2009 · Replies 1 · Mar 1, 2009

Replies: 1

Views: 3K

Undergrad Unlock the Secret of Phone Book Friction

Feb 16, 2008 · Replies 34 · Feb 28, 2009

2

Replies: 34

Views: 55K

Graduate Calculating vertical load with multiple bodies

Feb 27, 2009 · Replies 1 · Feb 27, 2009

Replies: 1

Views: 4K

Undergrad Specific Impulse and Exhaust Velocity

Feb 22, 2009 · Replies 11 · Feb 26, 2009

Replies: 11

Views: 18K

High School Quasi-standing wave, speedboat

Feb 26, 2009 · Replies 1 · Feb 26, 2009

Replies: 1

Views: 2K

Graduate Solving Mechanics Problem: Find a(t) from a(Q)

Feb 21, 2009 · Replies 3 · Feb 26, 2009

Replies: 3

Views: 5K

Undergrad What is the Net Force on an Angled Surface in a Limited Force Scenario?

Feb 26, 2009 · Replies 2 · Feb 26, 2009

Replies: 2

Views: 4K

Undergrad Angular momentum and Newtons' law relation

Jul 6, 2008 · Replies 18 · Feb 26, 2009

Replies: 18

Views: 10K

Undergrad How Does an Impulse Affect the Motion of a Cube?

Feb 25, 2009 · Replies 1 · Feb 26, 2009

Replies: 1

Views: 2K

Undergrad Move Pendulum: Forces, Positions & Arbitrary Movements

Feb 25, 2009 · Replies 4 · Feb 26, 2009

Replies: 4

Views: 2K

Undergrad Center of gravity/ weight distribution

Feb 24, 2009 · Replies 2 · Feb 25, 2009

Replies: 2

Views: 6K

High School Force required to lift a water propelled rocket

Feb 21, 2009 · Replies 13 · Feb 24, 2009

Replies: 13

Views: 7K

Undergrad Can Rotational Energy be Transmitted from Cueball to Object Ball in Billiards?

Feb 19, 2009 · Replies 7 · Feb 24, 2009

Replies: 7

Views: 3K

Graduate Modal analysis of a pin-jointed frameworks

Feb 20, 2009 · Replies 4 · Feb 24, 2009

Replies: 4

Views: 4K

High School Calculating coefficient of max static friction

Dec 10, 2008 · Replies 2 · Feb 24, 2009

Replies: 2

Views: 7K

High School Newton's law and conservation of linear momentum

Feb 20, 2009 · Replies 9 · Feb 23, 2009

Replies: 9

Views: 26K

Undergrad Help Gravity with 3D coordinations

Feb 19, 2009 · Replies 14 · Feb 23, 2009

Replies: 14

Views: 8K

Undergrad How do I calculate the outward force exerted by a wedge on a rotating plate?

Feb 21, 2009 · Replies 2 · Feb 23, 2009

Replies: 2

Views: 11K

Undergrad How to calculate thermionic work function

Feb 22, 2009 · Replies 2 · Feb 23, 2009

Replies: 2

Views: 3K

Undergrad How can I make my rocket/glider work correctly?

Feb 22, 2009 · Replies 2 · Feb 23, 2009

Replies: 2

Views: 6K

Graduate Air Bag Inflation Rate: Calculating Time & Stress

Feb 22, 2009 · Replies 1 · Feb 23, 2009

Replies: 1

Views: 4K

High School Free Fall: Heavier Object Hits Ground First?

Feb 11, 2009 · Replies 16 · Feb 23, 2009

Replies: 16

Views: 8K

Graduate Determining path, timing and velocity from a 3d accelerometer

Feb 10, 2009 · Replies 5 · Feb 23, 2009

Replies: 5

Views: 8K

High School Easy question about weight transfer of cars

Feb 22, 2009 · Replies 2 · Feb 23, 2009

Replies: 2

Views: 2K

High School Question about projectile motion

Feb 22, 2009 · Replies 4 · Feb 22, 2009

Replies: 4

Views: 2K

High School Constant acceleration rate equations

Feb 19, 2009 · Replies 2 · Feb 22, 2009

Replies: 2

Views: 3K

Graduate Is this sorta mechanical component ever made?

Feb 5, 2009 · Replies 13 · Feb 22, 2009

Replies: 13

Views: 3K

High School The value for normal room pressure?

Feb 22, 2009 · Replies 4 · Feb 22, 2009

Replies: 4

Views: 10K

Graduate Maximum air velocity in ambient conditions?

Feb 22, 2009 · Replies 1 · Feb 22, 2009

Replies: 1

Views: 5K

Undergrad Angle change due to acceleration

Feb 22, 2009 · Replies 1 · Feb 22, 2009

Replies: 1

Views: 4K

Undergrad How Does Centrifugal Force Work in a Rotating Space Station?

Feb 15, 2009 · Replies 18 · Feb 22, 2009

Replies: 18

Views: 6K

Graduate Differential drag on a cup anemometer

Feb 18, 2009 · Replies 5 · Feb 22, 2009

Replies: 5

Views: 6K

High School What are some experiments combining centripetal force and water properties?

Feb 20, 2009 · Replies 7 · Feb 21, 2009

Replies: 7

Views: 2K

High School Question about objects and motion

Feb 20, 2009 · Replies 3 · Feb 21, 2009

Replies: 3

Views: 2K

Undergrad How to calculate the trajectory of a mortar round.

Feb 19, 2009 · Replies 5 · Feb 20, 2009

Replies: 5

Views: 31K

Graduate Calculation of torque in friction welding

Feb 20, 2009 · Replies 2 · Feb 20, 2009

Replies: 2

Views: 10K

Is Itzhak Bars' Book on Quantum Mechanics Worth the 10.25 MB Download?

Feb 22, 2007 · Replies 5 · Feb 20, 2009

Replies: 5

Views: 9K

Undergrad What is the Physics Behind a See Saw Catapult?

Apr 21, 2005 · Replies 10 · Feb 20, 2009

Replies: 10

Views: 18K

Why do I feel differently when standing in 90 degree air vs water?

Feb 19, 2009 · Replies 5 · Feb 20, 2009

Replies: 5

Views: 51K

Undergrad What force is required to rotate a space ship?

Feb 13, 2009 · Replies 8 · Feb 19, 2009

Replies: 8

Views: 6K

Undergrad Torsion Rigidity: Definition & Examples

Feb 19, 2009 · Replies 1 · Feb 19, 2009

Replies: 1

Views: 12K

High School Injecting an unflated balloon with vacuum

Jan 18, 2009 · Replies 20 · Feb 19, 2009

Replies: 20

Views: 6K

Undergrad Deriving formula to calculate theta for artillery

Feb 18, 2009 · Replies 1 · Feb 19, 2009

Replies: 1

Views: 5K

Undergrad Gravitational Potential Energy of a satellite

Feb 2, 2009 · Replies 7 · Feb 19, 2009

Replies: 7

Views: 3K

Graduate What's the best self-study book for statistical mechanics?

Feb 18, 2009 · Replies 1 · Feb 19, 2009

Replies: 1

Views: 5K

Graduate Can someone please explain this remark in Landau-Lifshitz's *Mechanics*?

Feb 18, 2009 · Replies 1 · Feb 18, 2009

Replies: 1

Views: 4K

High School Does Standing on a Chair & Jumping Affect the Force Felt by the Floor?

Feb 18, 2009 · Replies 4 · Feb 18, 2009

Replies: 4

Views: 8K

Undergrad Solving Pendulum Pulley System w/ Gravity: H.G.'s Question

Feb 17, 2009 · Replies 7 · Feb 18, 2009

Replies: 7

Views: 3K

Undergrad Potential has various meanings

Feb 15, 2009 · Replies 6 · Feb 18, 2009

Replies: 6

Views: 2K

Graduate A thought regarding angular acceleration, gravity, and weight.

Feb 17, 2009 · Replies 15 · Feb 17, 2009

Replies: 15

Views: 6K

High School Calculating Couple Moment - Explaining Negative Values

Feb 17, 2009 · Replies 2 · Feb 17, 2009

Replies: 2

Views: 4K

Undergrad What causes the decrease in pressure in a smaller diameter tube?

Feb 16, 2009 · Replies 7 · Feb 17, 2009

Replies: 7

Views: 14K

Undergrad Velocity Time Graph For Projectile

Feb 10, 2009 · Replies 8 · Feb 17, 2009

Replies: 8

Views: 13K

Graduate Solving Elasticity Problems

Feb 11, 2009 · Replies 2 · Feb 17, 2009

Replies: 2

Views: 4K

High School Water Bending Trick: How Does It Work?

Feb 16, 2009 · Replies 2 · Feb 16, 2009

Replies: 2

Views: 3K

Undergrad Can External Pressure Increase the Pressure Inside a Sealed Sphere?

Feb 15, 2009 · Replies 6 · Feb 16, 2009

Replies: 6

Views: 2K

High School Discover the Legitimacy of the Freefall Velocity Formula | Explained by Eliot

Feb 16, 2009 · Replies 2 · Feb 16, 2009

Replies: 2

Views: 2K

Graduate How do SPM and STM achieve nanoscale probing without contact?

Feb 16, 2009 · Replies 1 · Feb 16, 2009

Replies: 1

Views: 1K

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