Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
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Electromagnetic induction question
- Jamessamuel
- · Replies 2 ·
Understanding Vector Fields and Their Relationships to Circles
- Calpalned
- · Replies 8 ·
What is the frequency of oscillation for a human leg as a pivoting rod?
- goonking
- · Replies 5 ·
Precession Period: Calculate Speed
- goonking
- · Replies 7 ·
Total sound intensity from sources
- Yoonique
- · Replies 11 ·
Finding the Magnitude and Direction of the Displacement Vector for a Ship's Trip
- Brendan Webb
- · Replies 2 ·
What is the charge on each capacitor in a circuit with capacitors in parallel?
- toothpaste666
- · Replies 6 ·
What Are the Most Challenging Questions in Grade 11 Nuclear Physics?
- Ethan_Tab
- · Replies 3 ·
Derive an expression for the potential
- henry3369
- · Replies 3 ·
How Should Time and Distance Uncertainties Affect Calculations in Physics Labs?
- John_tawil
- · Replies 3 ·
Physics principle(s) to explain how to stack spherical items
- SelenaT
- · Replies 3 ·
Electric Potential Energy Inside a Charged Sphere
- Yoni V
- · Replies 8 ·
Heat Transfer and Capacity: Understanding Specific Heat and Latent Heat
- BoanviaFx
- · Replies 21 ·
Find the amplitude of the resulting simple harmonic motions
- Okazaki
- · Replies 9 ·
Is My Biot-Savart Law Solution Method Correct?
- toothpaste666
- · Replies 5 ·
How Much Work Does an Archer Do When Drawing a Bow?
- Mr Davis 97
- · Replies 2 ·
How far up the ladder can you climb before it begins to slip?
- liquidheineken
- · Replies 4 ·
Electric and Magnetic Field Parallel
- navm1
- · Replies 7 ·
Calculating strain from wave speed and tension in a wire
- hs764
- · Replies 5 ·
What is the Ideal Gas Force on a Container at Temperature T?
- Raghav Gupta
- · Replies 16 ·
Can a Second Hole Be Added to a Leaking Tank to Achieve the Same Water Range?
- Okazaki
- · Replies 11 ·
Specific heat capacity of gases
- lavankohsa
- · Replies 3 ·
Application of Heisenberg Uncertainty Principle
- Raghav Gupta
- · Replies 57 ·
Free Body Diagram of a ice skater?
- Celina
- · Replies 1 ·
Pipes, resonating frequencies and yeah some gases
- mooncrater
- · Replies 10 ·
Can a Diffraction Pattern be Solved Without Complete Information?
- David Truong
- · Replies 2 ·
Work required to remove a metal sheet from a capacitor
- hitemup
- · Replies 2 ·
Explaining Brownian Motion & Gas Laws: Homework Solutions in 65 chars or less
- BoanviaFx
- · Replies 3 ·
What are the equations for tension in a massive rope under acceleration?
- bartersnarter
- · Replies 3 ·
Electric Potential for an infinity line of charge
- henry3369
- · Replies 1 ·
Doppler effect and Beat frequency
- Yoonique
- · Replies 7 ·
What would affect horsepower more: speed or mass?
- Min
- · Replies 4 ·
KE Conservation: Calculating Final Velocities
- goonking
- · Replies 46 ·
Solve Currents Homework: Kirchhoff's Laws
- Angie K.
- · Replies 4 ·
How to Solve for Terminal Voltage in a Circuit with an Unknown Battery
- Angie K.
- · Replies 2 ·
Resistance of Light Bulbs in Parallel
- Angie K.
- · Replies 3 ·
Calculating Distance Traveled on a Winding Trajectory From North to South Pole
- kitsh
- · Replies 3 ·
What happens to 's' if mass changes in this situation
- Alice Saka
- · Replies 7 ·
Simple question on Conservation of Momentum in 2 directions
- mcapuchin
- · Replies 2 ·
Which equation should be used to calculate electric potential?
- henry3369
- · Replies 2 ·
Understanding Simple Harmonic Motion: Homework Equations and Graph Analysis
- Calpalned
- · Replies 3 ·
Relationship between harmonic and circular motions
- Calpalned
- · Replies 4 ·
Reduced oscillation on higher altitudes
- Calpalned
- · Replies 6 ·
Mover Pushes 700 kg Piano up 9° Ramp - Force Calculation
- Mr Davis 97
- · Replies 4 ·
SOLVED: Equipotential surfaces for finite line of charge
- homer
- · Replies 4 ·
Capacitor Discharge: A Simple Explanation
- Rohan1997
- · Replies 1 ·
Polarizing Elliptically Rotated Light: Calculating Intensity Ratios
- skrat
- · Replies 7 ·
Center of mass of an inclined triangle
- Karol
- · Replies 3 ·
How to calculate the distance travelled in work and energy?
- red1312
- · Replies 10 ·
Why Can't a Conical Pendulum's String Be Horizontal?
- Hugofung
- · Replies 4 ·
Is the Motion of a Pendulum Simple Harmonic?
- Calpalned
- · Replies 2 ·
Power & Velocity Homework Solution | 450 kW
- elitewarr
- · Replies 5 ·
How does tension affect the frequency of a standing wave on a string?
- sushichan
- · Replies 6 ·
Projectile Motion: Minimum Velocity for Overcoming an Obstacle
- Jerry Smith
- · Replies 2 ·
Projected Area of a Cone in Electric Field Calculation
- Tanya Sharma
- · Replies 12 ·
Interesting Equilibrium Question
- anton717
- · Replies 1 ·
Calculating Total Resistance Without Prefix
- Angie K.
- · Replies 20 ·
What Is the Speed of a Mass at Equilibrium in Simple Harmonic Motion?
- Soniteflash
- · Replies 2 ·
A simple Fluid Dynamics/Pressure HW question
- SnakeDoc
- · Replies 2 ·
Pucks colliding at right angles
- Soniteflash
- · Replies 6 ·
Direction of Magnetic Field of a Parallel Conducting Wire
- sugz
- · Replies 9 ·
Finding Maximum Voltage of Resistors
- Angie K.
- · Replies 2 ·
Force in Varying Places in a Swimming Pool
- Okazaki
- · Replies 29 ·
Relative Motion - Elevator Problem
- LHC_23
- · Replies 18 ·
How Does Dropping Rocks from Different Heights Affect Kinetic Energy Ratios?
- sugz
- · Replies 4 ·
A mass oscillating at the end of a spring
- Trinity Nicole
- · Replies 4 ·
Two people in a boat and one person throws a ball
- Soniteflash
- · Replies 16 ·
Torsion pendulum in Cavendish experiment
- Yoonique
- · Replies 50 ·
Solving Boat Puncture Problem: Gauge P & Water Velocity
- ZanyCat
- · Replies 6 ·
Equilibrium Temperature of Gases in Partitioned Container
- Raghav Gupta
- · Replies 16 ·
Entropy change of van der Waals gas expansion
- Dazed&Confused
- · Replies 10 ·
Mean energy of system with ## E = \alpha |x|^n ##
- Dazed&Confused
- · Replies 2 ·
Posting Questions on a Scientific Forum
- *.*.*AnUm*.*.*
- · Replies 2 ·
Is It Safe to Assume Gamma Rays Consist of Only One Photon?
- Ngineer
- · Replies 9 ·
Angular separation between moons
- Scott Yuill
- · Replies 1 ·
Calculating Initial Energy of a Spring-Connected Mass
- Raghav Gupta
- · Replies 8 ·
Motion, Energy balance, momentum question
- Raghav Gupta
- · Replies 3 ·
How to predict how far a spinning ball will bounce?
- mousemat
- · Replies 1 ·
How do I calculate the phase difference for this?
- Daniel Pinto
- · Replies 1 ·
How many photons are produced when a 0.39 kg mass falls from a height of 2.9 m?
- NRip897
- · Replies 1 ·
How Many Photons Are Produced from a Falling Mass?
- NRip897
- · Replies 1 ·
Speed through the Center of the Earth
- Okazaki
- · Replies 29 ·
Derivation of a cinematic formula
- sitzpillow
- · Replies 5 ·
Energy Conservation and Spring Compression
- NkaujHelp
- · Replies 3 ·
How to make successful helmet from scratch
- Madmace10
- · Replies 5 ·
A quarterback throws a football to a stationary receiver
- Etheryte
- · Replies 5 ·
Magnetic field at the center of a square conducting loop
- sugz
- · Replies 1 ·
Electric Potential Difference diagram
- sugz
- · Replies 12 ·
Volume of a Cavity in an Iron Casting
- Okazaki
- · Replies 3 ·
Calculating the Position of Center of Gravity for a Slender Rod Satellite
- sun18
- · Replies 12 ·
Torque w/ See-Saw: Solve for Mass
- goonking
- · Replies 21 ·
Spring with weight question / Potential energy of the spring
- masterchiefo
- · Replies 6 ·
Bernoulli's equation and fluid movement
- sciman
- · Replies 14 ·
Ferris Wheel Problem using Mathematica
- Bakir
- · Replies 9 ·
Finding Tension in a Chain: Understanding Torque and Force Components
- goonking
- · Replies 25 ·
A wavy problem what will happen?
- mooncrater
- · Replies 2 ·
What Is the Speed of an Oscillating Particle at Equilibrium?
- goonking
- · Replies 37 ·
Conservation of Angular Momentum of a bird
- RJLiberator
- · Replies 11 ·
Center of Gravity & Mass: Dist for 2m Rod
- Ellen Liu
- · Replies 4 ·
Find induced charge on conducting cube in uniform field
- Samuelriesterer
- · Replies 9 ·