Introductory Physics Homework Help Forum

What is the required force to lift a 15.0 kg child on a teeter-totter?

Calculating Work and Kinetic Energy: A Ski Slope Scenario

Why Does It Take More Suction to Drink a Can With 1 Straw?

Motion In the Presence of Resistive Forces

Understanding Harmonics in Music: The Physics Behind Playing Flute Notes

How Does Friction Affect Rock Climbing Stability?

Electric Force: Find Point of Zero Charge on X-Axis

Friction Force Homework Problem

Optics (refracting light) and (mirrors)

Energy created by a falling object

How can I solve the current in a circuit quickly using Kirchhoff's Law?

What is the Angle Between Two Forces When Their Resultant is Equal in Magnitude?

Soleniod Field Direction With Battery

Capacitors in Series: Voltage & Charge Explained

Potential energy stored in a spring

Uniform Circular Motion - Find Force

When Will Ships P & Q Be Closest to Each Other?

Solving Elasticity Problem: Weight & Columns

Optimal Acceleration for Long Jump on the Moon

Object exerts an opposing force of equal magnitude

Magnetic forces on two current carrying wires

Confirm Physics Textbook Error: Trampolinist Spring Constant

Calculating Maximum Distance of Object in Gravity-Free Fall

CPU Cooling Project: Research, Testing & Analysis

How Does Tarzan Accelerate Towards the Cliff in a Frictionless Scenario?

How Does the Principle of Superposition Apply to Forces in a Spring System?

Potential Difference b/t 2 points

V= at or velocity = acceleration x time square

Flow Rate of Water with Pressure Difference

What is the net charge of a metal sphere after adding 7.0 x 10^13 electrons?

Gauss' law-thin spherical shell

Question concerning Fluid Mechanics.

Slinky springs and eq of motion.

Solving Bungee Jump Problem with No Air Resistance or Damping

GM - M mass of earth , G gravitational constant

Linear/angular momentum formulas

Solving Air-Water-Glass Problem

Probability of puck bouncing of wald

Circular motion, forces, magic mountain ride.

Fusion of Deuterium Nuclei: Equation, Unknown Nucleus, and Energy Calculation

Electric Field Lines: Symmetry between Opposite Charges

Acceleration of object - how much time does it take

Electrical Physics | Solving Problems with Flux and Nonconducting Shells

Question concerning Electric Field

What are the tension and acceleration in this pulleys and rope problem?

Can someone with this question

What is the resistance of the heater?

How can you use a winch to pull a car?

Millikan's oil drop experiment homework

Can weever have dispersion of a wavegroup with a unique frequency?

Struggling with 9.00-kg/5.00-kg Weight & String Problem

Problem involving tension, circular motion and equilibrium

Conical Pendulum: A Level Maths Required?

Solving the Problem of a Block Sliding Up an Inclined Plane

Calculating Height & Velocity of a Tennis Ball Hit at an Angle

Solving for Tension & Acceleration in M1 & M2

Quick Math Solution: Solve the Easy Problem Now!

Electric potential and potential difference

Can Initial Speeds of 0m/s Solve This Kinematics Problem?

Electric Field and Infinite Plane

Understanding the Relationship Between Velocity and Drag Force in Air

Question about average acceleration

Difference between people 'doing the wave', and a transverse wave?

Calculate the velocity of the eight ball after collision

How do you calculate relative permeability in a loud speaker?

Projectile motion of 2 dimensions

What is the final temperature of the lead bullet?

Calculating the Force Required for an Exceptional Vertical Jump

How Much Kinetic Energy Does the Heavier Piece Acquire in an Explosion?

What is the flash wattage for a camera flash with a 765 µF capacitor at 345 V?

A couple questions - need answers to for final

Calculating Temperature and Wavelength of Sound with Distance

Conservation of Energy rollercoaster

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Understanding the Difference Between Parallel and Series Circuits

Solve Dynamics Problem for Particle on Semicilinder

Electric Force Question and Spheres

Calculating Capacitance of a Neuron Axon Using Parallel Plate Capacitor Formula

Solving Gauss' Law: Find Flux of 443C Ball with 7.97cm Radius

Resistor Change from Aorta to Capillaries

Determining the Location of Zero Electric Field in a Three-Charge Configuration

Calculating Work Done in Lifting a Weight with a Spring

Solving Circuits: Understanding Parallel and Series Connections

Friction problem on inclined plane

What is the amount of work required to compress the spring?

Parallel plate capacitor capcitance question?

Frozen Pendulum: How Does it Affect Oscillations?

Troubleshooting Electric Field Problem: Distance Issues

In what direction should the plane head?

Calculating Current in a Coil with Given Magnetic Field and Parameters

Understanding Coulomb's Law and Vector Components

Calculate the speed of impact at the ground

Calculating Force Between Two Moving Crates

Understanding Fractions in Scientific Instruments

Calculating Force and Thickness of a 8.0g Bullet Passing Through Wood

Photoelectric effect experiment help

How Do You Calculate Torque in a Beam Suspended by a Rope?

How Does Tension Affect Electric Charge Calculation?

Kind of a challenge(for me i guess)

How great is the friction force?

Motion on a frictionless surface