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High School Experiment: Balloons & Pressure | Horizontal Displacement

Dec 16, 2003 · Replies 2 · Dec 16, 2003

Replies: 2

Views: 3K

Undergrad 2nd principle of termoDynamics

Dec 14, 2003 · Replies 6 · Dec 16, 2003

Replies: 6

Views: 4K

Graduate On The Definition Of An Inertial Reference Frame

Dec 14, 2003 · Replies 8 · Dec 16, 2003

Replies: 8

Views: 11K

Graduate HeavensWarFire's theory of the composition of outer space

Dec 10, 2003 · Replies 6 · Dec 16, 2003

Replies: 6

Views: 3K

High School Is the Weight of the Seesaw Relevant for Balancing It?

Dec 13, 2003 · Replies 6 · Dec 16, 2003

Replies: 6

Views: 3K

High School How to Suspend an Egg in a Diamond Cage Using Limited Materials?

Dec 15, 2003 · Replies 1 · Dec 15, 2003

Replies: 1

Views: 11K

Egg shaped piece of chocolate today

Dec 15, 2003 · Replies 3 · Dec 15, 2003

Replies: 3

Views: 2K

High School Question regarding Centripetal Acceleration

Dec 14, 2003 · Replies 3 · Dec 14, 2003

Replies: 3

Views: 3K

Undergrad Solving Pool Ball Problem: Speed & Force After Impact

Dec 14, 2003 · Replies 2 · Dec 14, 2003

Replies: 2

Views: 4K

Undergrad Physics Problem: Solving Friction Coefficient on Lawnmower

Dec 13, 2003 · Replies 2 · Dec 13, 2003

Replies: 2

Views: 2K

High School Gravitational potential and kinetic energy

Dec 12, 2003 · Replies 1 · Dec 12, 2003

Replies: 1

Views: 3K

Undergrad Centripetal Confusion: Circular Motion Explained

Dec 6, 2003 · Replies 9 · Dec 12, 2003

Replies: 9

Views: 6K

Undergrad Forced Oscillations: Does the Solution Reduce to Oscillations When F_0=0?

Dec 12, 2003 · Replies 12 · Dec 12, 2003

Replies: 12

Views: 3K

High School Can a homemade hovercraft be built using bicycle inner tubes?

Jul 16, 2003 · Replies 10 · Dec 11, 2003

Replies: 10

Views: 13K

Graduate Can internal manipulation affect the kinetic energy of a moving object?

Dec 10, 2003 · Replies 7 · Dec 11, 2003

Replies: 7

Views: 12K

Ultra-cool Roller-Coaster simulator

Dec 10, 2003 · Replies 1 · Dec 11, 2003

Replies: 1

Views: 3K

Undergrad Conservation of Mechanical Energy Problem

Dec 9, 2003 · Replies 4 · Dec 10, 2003

Replies: 4

Views: 5K

High School Cantilever Experiment: Is the Relationship Linear?

Dec 7, 2003 · Replies 3 · Dec 9, 2003

Replies: 3

Views: 4K

Unleashing the Power of Perpetual Motion: A Hypothetical Exploration

Dec 6, 2003 · Replies 13 · Dec 8, 2003

Replies: 13

Views: 3K

High School Friction force and constant velocity

Dec 3, 2003 · Replies 14 · Dec 8, 2003

Replies: 14

Views: 19K

Undergrad Understanding Angular Momentum: Inertia Increase

Dec 8, 2003 · Replies 1 · Dec 8, 2003

Replies: 1

Views: 2K

Undergrad Linear Accelerator (Gauss Rilfe)

Nov 27, 2003 · Replies 7 · Dec 8, 2003

Replies: 7

Views: 9K

Undergrad Cylinder on a frictionless inclined plane

Dec 7, 2003 · Replies 3 · Dec 8, 2003

Replies: 3

Views: 4K

Undergrad Calculate Potential Energy between Two Masses in Space with Work Done

Dec 8, 2003 · Replies 1 · Dec 8, 2003

Replies: 1

Views: 3K

Undergrad Tension on a string attached to model airplane

Dec 6, 2003 · Replies 22 · Dec 7, 2003

Replies: 22

Views: 11K

Undergrad Is Perpetual Motion by Gravity Possible?

Nov 5, 2003 · Replies 18 · Dec 7, 2003

Replies: 18

Views: 5K

Undergrad Computer IQ Test: The Weight and the Monkey - Answer C

Dec 3, 2003 · Replies 16 · Dec 7, 2003

Replies: 16

Views: 4K

High School Need help on a ohysics porject involving construction

Dec 7, 2003 · Replies 1 · Dec 7, 2003

Replies: 1

Views: 2K

High School Why Do Objects Fall Slower on the Moon?

Dec 6, 2003 · Replies 1 · Dec 6, 2003

Replies: 1

Views: 5K

High School Calculating how fast a wheel turns

Dec 4, 2003 · Replies 2 · Dec 5, 2003

Replies: 2

Views: 7K

Graduate Can weightless particles affect the forces in the universe?

Dec 4, 2003 · Replies 1 · Dec 5, 2003

Replies: 1

Views: 2K

Undergrad Two carts and their initial acceleration

Dec 4, 2003 · Replies 9 · Dec 5, 2003

Replies: 9

Views: 5K

Undergrad Questioning logic used for highschool rocket propulsion problem

Dec 3, 2003 · Replies 4 · Dec 4, 2003

Replies: 4

Views: 4K

Graduate Calculating Moment of Inertia for an Asymmetrical Barbell Shape

Nov 27, 2003 · Replies 5 · Dec 3, 2003

Replies: 5

Views: 10K

High School Understanding Torque: A Request from Billy

Dec 2, 2003 · Replies 1 · Dec 2, 2003

Replies: 1

Views: 7K

High School Critical Thinking & Problem Solving HELP ME

Dec 1, 2003 · Replies 2 · Dec 2, 2003

Replies: 2

Views: 3K

Undergrad Rotational Motion: Force on Rod, Translation vs Rotation

Dec 1, 2003 · Replies 6 · Dec 2, 2003

Replies: 6

Views: 2K

High School What are some examples of Newton's 1st Law in action?

Oct 12, 2003 · Replies 6 · Dec 1, 2003

Replies: 6

Views: 3K

High School What is the most accurate way to measure pushing force for a trolley on wheels?

Dec 1, 2003 · Replies 5 · Dec 1, 2003

Replies: 5

Views: 18K

Graduate Theory of Everything: Water and TOE Explained

Nov 24, 2003 · Replies 6 · Dec 1, 2003

Replies: 6

Views: 4K

Undergrad How frictionless environments affect acceleration/universal constant?

Nov 29, 2003 · Replies 1 · Nov 29, 2003

Replies: 1

Views: 3K

Undergrad Calculating Deflection of Clamped Rods

Nov 27, 2003 · Replies 6 · Nov 29, 2003

Replies: 6

Views: 11K

Government has decided to build a power plant nextdoor

Oct 19, 2003 · Replies 22 · Nov 29, 2003

Replies: 22

Views: 5K

Graduate Inclined plane 3d physics simulation

Nov 27, 2003 · Replies 2 · Nov 28, 2003

Replies: 2

Views: 6K

Graduate Angular momentum of a singularity?

Nov 25, 2003 · Replies 4 · Nov 27, 2003

Replies: 4

Views: 2K

Undergrad Something I can't figure out about Angular Momentum

Nov 25, 2003 · Replies 15 · Nov 27, 2003

Replies: 15

Views: 3K

Undergrad An object falling through a drilled hole through the earth

Nov 25, 2003 · Replies 11 · Nov 26, 2003

Replies: 11

Views: 18K

Undergrad How to Calculate Moles of Helium in a Balloon Using the Ideal Gas Law

Jul 7, 2003 · Replies 4 · Nov 26, 2003

Replies: 4

Views: 11K

Graduate Why Dragster Tires Slip: Understanding the Role of Friction and Clorox in Racing

Nov 22, 2003 · Replies 4 · Nov 25, 2003

Replies: 4

Views: 4K

Undergrad Calculating Missile Trajectory: Steps and Formula

Nov 24, 2003 · Replies 2 · Nov 24, 2003

Replies: 2

Views: 2K

Undergrad Find the Max Compression of a 2.80kg Block

Nov 23, 2003 · Replies 3 · Nov 24, 2003

Replies: 3

Views: 2K

Undergrad Mechanical Energy: Conservation & Example

Nov 23, 2003 · Replies 1 · Nov 23, 2003

Replies: 1

Views: 2K

High School Which Domino Row Will Fall First? Ask Here!

Nov 23, 2003 · Replies 1 · Nov 23, 2003

Replies: 1

Views: 4K

High School How can I calculate the force and pressure on an object submerged in water?

Nov 22, 2003 · Replies 7 · Nov 22, 2003

Replies: 7

Views: 3K

High School Balloon Physics: How to Move a Balloon on a String Using Simple Materials

Nov 22, 2003 · Replies 1 · Nov 22, 2003

Replies: 1

Views: 3K

Graduate Optimizing Intake Design: Pressure Wave Tuning for Improved Engine Performance

Nov 21, 2003 · Replies 3 · Nov 22, 2003

Replies: 3

Views: 6K

Undergrad Terminal Velocity in a bottomless vacuum

Nov 19, 2003 · Replies 17 · Nov 22, 2003

Replies: 17

Views: 7K

High School Laymens definition of momentum

Nov 21, 2003 · Replies 5 · Nov 22, 2003

Replies: 5

Views: 5K

Undergrad What is the rate at which water flows out the tank in m^3/s?

Nov 21, 2003 · Replies 1 · Nov 22, 2003

Replies: 1

Views: 2K

Graduate Interesting paper, require feedback

Nov 20, 2003 · Replies 3 · Nov 22, 2003

Replies: 3

Views: 3K

Undergrad Understanding Conservation of Energy in Pulley Systems

Nov 16, 2003 · Replies 2 · Nov 21, 2003

Replies: 2

Views: 4K

Undergrad What Length of Bungee Cord is Needed to Stop a 70 kg Person from Plunging 226m?

Nov 20, 2003 · Replies 1 · Nov 21, 2003

Replies: 1

Views: 9K

Undergrad Max Vehicle Weight for 19.3 atm Hydraulic Lift (23.8 cm Diameter)

Nov 21, 2003 · Replies 1 · Nov 21, 2003

Replies: 1

Views: 5K

Undergrad Calculate Surface Tension of Blood Plasma: Help Needed

Nov 21, 2003 · Replies 8 · Nov 21, 2003

Replies: 8

Views: 10K

Undergrad Generators and the associated force?

Nov 18, 2003 · Replies 7 · Nov 19, 2003

Replies: 7

Views: 3K

High School Why does weighing on carpet make you appear heavier?

Jul 25, 2003 · Replies 16 · Nov 19, 2003

Replies: 16

Views: 15K

Are we Carbon based life, proton-proton based life, string based life, or

Nov 17, 2003 · Replies 7 · Nov 18, 2003

Replies: 7

Views: 8K

Undergrad Helicopter Wake Impact on Water: Depression or Waves?

Nov 17, 2003 · Replies 2 · Nov 17, 2003

Replies: 2

Views: 3K

High School Coupled Pendulum Research & Info: Any Good Suggestions?

Oct 20, 2003 · Replies 7 · Nov 17, 2003

Replies: 7

Views: 12K

High School A boat in water, pressure, motion, et cetera

Nov 16, 2003 · Replies 9 · Nov 17, 2003

Replies: 9

Views: 4K

High School Work, Energy, Power, Momentum.

Nov 13, 2003 · Replies 12 · Nov 16, 2003

Replies: 12

Views: 32K

Undergrad Presenting Q's: Experiment w/ 2 Objects of Diff. Mass

Oct 28, 2003 · Replies 1 · Nov 16, 2003

Replies: 1

Views: 3K

High School Coriolis effect and water spin

Apr 22, 2003 · Replies 18 · Nov 16, 2003

Replies: 18

Views: 9K

High School How can I determine the acceleration due to gravity using simple measurements?

Nov 16, 2003 · Replies 3 · Nov 16, 2003

Replies: 3

Views: 5K

High School Centripetal acceleration: derivation of a= v2/r

Nov 14, 2003 · Replies 1 · Nov 14, 2003

Replies: 1

Views: 51K

Undergrad Total ME of 2kg Oscillating on 50 N/m Spring

Nov 13, 2003 · Replies 1 · Nov 14, 2003

Replies: 1

Views: 3K

High School Help with Projectiles: Calculating Marble Flight Path

Nov 12, 2003 · Replies 6 · Nov 13, 2003

Replies: 6

Views: 3K

Undergrad Solving the Motion Equation of a Projectile

Nov 13, 2003 · Replies 2 · Nov 13, 2003

Replies: 2

Views: 4K

Undergrad What Determines the Axis of Rotation for an Unconstrained 3D Object?

Nov 12, 2003 · Replies 7 · Nov 13, 2003

Replies: 7

Views: 7K

Undergrad How Fast Was the Bullet in the Inelastic Collision?

Nov 11, 2003 · Replies 1 · Nov 13, 2003

Replies: 1

Views: 3K

High School Calculating the Coefficient of Restitution: A Quick Guide

Nov 12, 2003 · Replies 4 · Nov 12, 2003

Replies: 4

Views: 4K

Einstein and Bergman - Work in WW-II

Nov 12, 2003 · Replies 4 · Nov 12, 2003

Replies: 4

Views: 3K

Undergrad Conceptual Physics: Understanding Velocity of Rain Drops Hitting Car Window

Nov 10, 2003 · Replies 16 · Nov 12, 2003

Replies: 16

Views: 6K

Graduate What is the mass of the meter stick?

Nov 11, 2003 · Replies 2 · Nov 11, 2003

Replies: 2

Views: 5K

High School Understanding Friction: The Impact of Weight on Surface Resistance

Nov 10, 2003 · Replies 4 · Nov 11, 2003

Replies: 4

Views: 3K

Cooking Noodles with Boiling Water & Salt

Nov 1, 2003 · Replies 41 · Nov 10, 2003

2

Replies: 41

Views: 43K

High School Running 10mph Inside a Train Moving 40mph: Was I Right?

Nov 10, 2003 · Replies 4 · Nov 10, 2003

Replies: 4

Views: 2K

Graduate Right-angle lever paradox - Am. J. Phys.

Nov 10, 2003 · Replies 6 · Nov 10, 2003

Replies: 6

Views: 4K

Undergrad Solving a Physics Problem: Velocity at Bottom of Circular Path

Nov 10, 2003 · Replies 2 · Nov 10, 2003

Replies: 2

Views: 4K

High School Why Does Matter Attract Other Matter?

Nov 10, 2003 · Replies 1 · Nov 10, 2003

Replies: 1

Views: 3K

High School How can an object's motion be predicted?

Nov 9, 2003 · Replies 2 · Nov 10, 2003

Replies: 2

Views: 3K

Graduate How does Uncertainty Principle work?

Nov 8, 2003 · Replies 13 · Nov 8, 2003

Replies: 13

Views: 6K

Undergrad Is water 'discovered' on another planet hogwash?

Nov 5, 2003 · Replies 12 · Nov 8, 2003

Replies: 12

Views: 4K

Undergrad Is it possible for an object to rebound from air friction?

Nov 3, 2003 · Replies 15 · Nov 7, 2003

Replies: 15

Views: 5K

High School Would Jumping Up at the Same Time Affect Earth?

Oct 7, 2003 · Replies 21 · Nov 7, 2003

Replies: 21

Views: 5K

High School What are factors that effect static friction?

Oct 30, 2003 · Replies 3 · Nov 7, 2003

Replies: 3

Views: 13K

Undergrad Why the gravity is weaker in the poles than in the equator

Nov 7, 2003 · Replies 5 · Nov 7, 2003

Replies: 5

Views: 30K

High School G Forces 101: Understanding and Estimating the Impact on Moving Bodies

Nov 6, 2003 · Replies 5 · Nov 7, 2003

Replies: 5

Views: 4K

Undergrad Robots and traction on an incline

Nov 5, 2003 · Replies 4 · Nov 6, 2003

Replies: 4

Views: 4K

High School What advance in Physics have had the most impact on history?

Nov 2, 2003 · Replies 10 · Nov 6, 2003

Replies: 10

Views: 5K

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