Introductory Physics Homework Help Forum

What is the Inductance of Parallel Wires in a Circuit?

Friction and centripetal force.

How Does Temperature Affect the Density of an Object?

Vertical force on a hemisphere submerged in fluid

Line integral of F = φ̂ around a circle in the xy-plane

Box on incline with spring release friction limits

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 calculation

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)

Finding the density of a 3.85 kg trophy

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

Force on 2 wires near each other with current

Designing an adjustable catapult for multiple targets

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

Finding equivalent resistance in multi-resistor circuit with 10 resistors

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?

Find velocity of car A before collision with stationary car B

LC circuit with resistance: energy after 16 periods

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?

Why is my answer to this multiple-choice question wrong?

Pressure calculation discrepancy: 6.4×10⁵ Pa vs 6.4×10 Pa

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

Car skidding off curved path y=0.2x^(3/2) with friction

Given a harmonic oscillator with mass m, and spring constant

Doppler effect with moving observer and source: ambulance speed

When can I substitute transformations into the Hamiltonian?

Doppler effect with moving source and observer

Finding period and wave speed from wavelength and frequency

Spring and mass problem, compression, avg force, displacemnt

Minimum work for reverse Carnot cooling and condensing oxygen

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”

Whiplash and concussion risk from a minivan hit by a truck at 75 mph

Rod colliding with the particle.

Period of a pendulum with two masses.

Inelastic collision affecting periodic motion

Pendulum energy conservation with photogate timing

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)