Introductory Physics Homework Help Forum

Uniform Circular Motion and Projectile All-in-One

A constant part of a photo taken

Rolling Without Slipping Down a Slope

Neglecting the mass of a spring

Why Is the Answer to the Fuse Question B?

RC Circuit Current Help: Equations and Attempt at Solution

Understanding the Period of a Pendulum: How is T = 2pi * sqrt(L/g) Derived?

Finding New Resistance of a Length of Wire

Speed of a transverse on a pulley

Radioactive decay, need to find half life

Ib extended essay about magnetic repulsion (maglev trains)

A throphy has a mass of 3.85kg and a volume of 480cm3 -- Help please

Is the rise in mercury level due to a change in pressure or temperature?

Force on 2 wires near each other with current

Looking For Help with Catapult Project

Electron Drift Velocity in Semiconductors

Does spring continue to stretch?

Undamped Harmonic Oscillator Problem

How do I calculate the angle of rotation?

Calculating Energy Conservation in a Spring-Mass System on an Incline

Photons per second from lightbulb

Component of weight perpendicular to bar

Damped Oscillatory motion : Period

Is the curve a spiral? And what spiral?

Launch Ball Highest: Velocity Lost in Arc

2D kinematics question (2nd year of undergrad level.)

How Fast Does the Mass Travel After Falling 50cm?

Why did I get an incorrect answer for my physics homework?

Work due to varying acceleration

Ladder with 2 forces of friction and a person climbing (statics)

Loop the Loop with Frictional Work

How Does Constant Electric Field Affect Piezoelectric Crystal Dimensions?

Webpage title: Understanding Angular Displacement in Circular Motion

Which Has More Momentum and Kinetic Energy After a Perfectly Elastic Collision?

Change in Momentum of probe Problem

The Energy and Efficiency of Cross-Country Skiing: A Mathematical Analysis

Finding the wavelength on a sinusoidal wave on a string

Finding Displacement of Elevator in Accelerating Frame

Solve Equivalent Resistance Circuit Physics Homework

What is the Maximum Distance for the Load on the Rod?

What is the magnetic-field energy in a given volume with B = 3.50T?

Solving Car Crash Scenario: Find v1 of Car A

Capacitor, Charge, and Sinewave, please

Biomechanics problem. Have no idea

AP Physics: Solving for Acceleration in a Cart Experiment

Moment of Inertia of a Regular Hexagon

Plotting energy as a function of wavelength

Force, speed of truck on a 10.0 degree hill

Where is the Center of Mass in a Solid Hemisphere?

What Determines the Change in Thermal Energy of a Block Pulled Across a Surface?

How do I calculate percent elasticity?

Understanding Moment of Inertia in a Ball-Rod System

How Do You Calculate the Magnetic Field Due to an Iron Disc's Dipole Moment?

Speeder and Cop Meeting Time Calculation

Energy Methods + Pulley + Friction, finding final velocity

How Many Oscillations Has This Wave Completed?

Solving Homework: Understanding Equations

How to find the pressure in this question

Relativity question involving time dilation

Magnetic Moment and Principal Quantum No of electron

How Is Current Induced in a Circular Coil by a Changing Magnetic Field?

Induced EMF in Coaxial Loops: Calculating Separation Distance

Understanding Telecentricity in Newtonian Telescopes

Moment of force and static equilibrium

Finding propagation speed/wavelength from an equation

Calculating distance given total work?

Acceleration as a Motion or not a Motion

What is the definition of "free fall"?

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Water hydro statics and presure

Conservation of momentum of a frog jump

Solve Constrained Motion Question: Car Skids Off Path

Given a harmonic oscillator with mass m, and spring constant

Need help solving Doppler Effect with sound question

When can I substitute transformations into the Hamiltonian?

Doppler effect with moving source and observer

Help with periods and oscilation *and* wavelengths

Spring and mass problem, compression, avg force, displacemnt

Carnot cycle work & efficiency

Supporting a plank of wood with a mass at the centre

How Do You Calculate Wavelength and Wave Speed?

Why are there two different forms of the 1st law of thermodynamics?

Ground state energy for hydrogen-like “atom”

Car Crash Physics Project: Whiplash & Brain Injury Risk

Rod colliding with the particle.

Period of a pendulum with two masses.

Inelastic collision affecting periodic motion

Solving Pendulum Questions: Calculate Initial PE & KE

What is the value of A in Ψ=Acos^2(x) for a particle's wave function?

Finding the Centre of Mass of a Solid Cone

A mass m slides in a moving reference frame

How does length affect the bending of a horizontal beam?

Static weight transfer of car with two wheels elevated

Verify Answers to Mechanical Energy Homework

Red and Violet Light through a Prism (Snell's Law)

Bosons/fermions trapped in a 1 dimensional trap

Finding the maximum value of a gravitional force field

The total charge between two cylinders

What Is the Angular Acceleration of a Released Uniform Plate?

Block on a vertical spring, finding frequency

Relating SHM and Rotational Motion