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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I calculating the heat exhausted from an engine.
- yoyo12121
- · Replies 1 ·
Solving for current in circuit with several light bulbs
- Derpicus
- · Replies 11 ·
Does splitting a block vertically change total pressure on ground?
- nilic1
- · Replies 8 ·
Temperature rise when moving lead is stopped
- ashsully
- · Replies 6 ·
"Isolated system model" can someone explain this to me?
- doneky
- · Replies 2 ·
Electromotive force (EMF) of a circular loop wire
- Toughnuke
- · Replies 3 ·
How Does Introducing Different Dielectrics Affect Capacitance?
- vijayramakrishnan
- · Replies 4 ·
Gravitational Potential Energy of a Sphere
- reminiscent
- · Replies 3 ·
Thin rod w/linear charge density, dipole moment
- Slightly Odd Guy
- · Replies 4 ·
How do I calculate the work due to air drag when throwing a ball in the air?
- Eater
- · Replies 2 ·
Does a Drop in Energy Level Indicate Water Flow Direction?
- foo9008
- · Replies 1 ·
Weight difference at Mt. Everest summit vs. sea level
- pauladancer
- · Replies 2 ·
Electromagnetic induction in a U shaped conductor
- FaroukYasser
- · Replies 2 ·
Calculating Magnetic Field at a Point Near a Long Wire
- Robb
- · Replies 2 ·
Finding velocity with kinetic and potential energy conservation
- Robb
- · Replies 2 ·
Five optics problems: lenses, prisms, double-slit and diffraction
- Pharrett
- · Replies 1 ·
Can kinetic energy be equated to change in internal energy?
- Vibhor
- · Replies 45 ·
How Is Polarized Light Propagation Determined from Electric and Magnetic Fields?
- NZBRU
- · Replies 6 ·
Image of an Object Inside Hollow Glass Sphere
- Kaan99
- · Replies 1 ·
What is the Newtion Ring Experiment?
- kenok1216
- · Replies 3 ·
A conducting shell kept in a uniform electric field
- Titan97
- · Replies 57 ·
Combined Spring Forces in Preloaded System with Moving Mass
- hammadmunawar
- · Replies 17 ·
Biot-Savart law limits and relating dx to dθ
- kenok1216
- · Replies 21 ·
Finding pressure, mean speed and mean free path
- slim2636
- · Replies 1 ·
Potential difference between two points on a circuit
- terryds
- · Replies 7 ·
Meeting the criteria for a graph
- Stendhal
- · Replies 2 ·
Solving a Uniform Beam Inclined at an Angle
- doneky
- · Replies 1 ·
Do objects always stop after a perfectly inelastic collision?
- PoohBah716
- · Replies 1 ·
Static equilibrium, tension and compression
- Dietrichw
- · Replies 2 ·
Find my Mistake? (Moment of inertia)
- Z90E532
- · Replies 9 ·
Angular resolution of microscope
- kenok1216
- · Replies 2 ·
Current induced in a solenoid by a constantly changing B
- cbrennan545
- · Replies 1 ·
Linear and Angular Momentum on a wooden gate
- Tissue
- · Replies 17 ·
Rearranging an SUVAT Equation: Solving for Time
- Physics55555
- · Replies 4 ·
Calculating the work done in an electric field
- Biker
- · Replies 1 ·
About charge inside a spherical metallic shell
- kenok1216
- · Replies 10 ·
Electromagnetism and the motor principle
- alexandria
- · Replies 2 ·
Modern applications of electromagnetism -- Regenerative Braking
- alexandria
- · Replies 3 ·
The motor principle and direction of force on conductor
- alexandria
- · Replies 3 ·
Identifying the 'Tight Side' of a V-Belt on Pulley C
- minoroctave
- · Replies 1 ·
What Causes Charged Particles to Spiral in a Magnetic Field?
- Harrison G
- · Replies 2 ·
Archived Does the weak nuclear force cause radioactive decay?
- Simfish
- · Replies 1 ·
End correction of a closed pipe
- Zoro
- · Replies 6 ·
Will the car make it to the top of the hill?
- Dillion
- · Replies 5 ·
Understanding Electromagnetic Induction and Toppling of a Conducting Ring
- erisedk
- · Replies 6 ·
Calculating Work on a Charged Particle in an Electric Field
- Dillion
- · Replies 1 ·
Compton effect: Scattering angle of electron
- vetgirl1990
- · Replies 1 ·
What Is the Spring Constant in This Simple Harmonic Motion Problem?
- Stendhal
- · Replies 2 ·
Effects of Reversing Magnet Motion on Induced Current and Magnetic Field
- alexandria
- · Replies 7 ·
Electric Field along bisector of charged line (w/error)
- Slightly Odd Guy
- · Replies 11 ·
Thevenin equivalent resistance problem
- glover261
- · Replies 15 ·
Train Whistle Echo: Calculating Distance & Temperature Effects
- Xoloti
- · Replies 4 ·
Temperature change of Water after dropping a ball into it
- unified
- · Replies 10 ·
Periodic Time Calculation for Simple Harmonic Motion with a Spring
- Ch3m_
- · Replies 1 ·
Block slides down and sticks to pivoting rod, find rotation angle
- i_hate_math
- · Replies 46 ·
Finding Tower 2 Height to Achieve 3x Velocity
- Frankenstein19
- · Replies 4 ·
Finding centripedal acceleration with tangential acceleration
- tobtob
- · Replies 2 ·
Electric generator and how it functions
- alexandria
- · Replies 7 ·
What Is the Minimum Potential Needed to Emit X-Ray Photons of 10^-10 Meters?
- DarkMatter5
- · Replies 4 ·
Velocity after force applied for 0.01 s
- Anjum S Khan
- · Replies 7 ·
Why Does T^2 Not Directly Correspond to L in Compound Pendulums?
- Mike Shandon
- · Replies 2 ·
Apparent brightness and B-V color in eclipsing binary system
- shadowpipi
- · Replies 1 ·
Thermodynamics Conceptual Question
- fridakahlo
- · Replies 2 ·
Constant Acceleration Ratio to Constant Velocity
- Bill48
- · Replies 12 ·
Calculating a Homopolar Generator's EMF
- ElPimiento
- · Replies 3 ·
A question about Rectilinear motion
- Priyadarshi Raj
- · Replies 4 ·
Mass attached to a rope. the rope encounters a nail.
- Karol
- · Replies 2 ·
What Are the Natural Frequencies of a Double Pendulum Using Torque Methods?
- axe34
- · Replies 1 ·
On Polarised Light and its State
- JohnGaltis
- · Replies 6 ·
Finding acceleration from displacement equation Δx=4.0t+3.0t²
- rashida564
- · Replies 12 ·
Angular Velocity and Acceleration graph
- df102015
- · Replies 4 ·
Lagrangian mechanics, simple pendulum
- YauYauYau
- · Replies 5 ·
What is the Magnetic Force on the Loop in this Rigid Contour System?
- Ivan Antunovic
- · Replies 5 ·
Elevator and acceleration problem
- pauladancer
- · Replies 7 ·
Collision involving angular and linear motion
- GwtBc
- · Replies 5 ·
Energy measurement probabilities for superposed states in infinite square well
- icesalmon
- · Replies 11 ·
Magnitute and Direction of Electric Field Based on Particle
- Slightly Odd Guy
- · Replies 3 ·
Why does dropped ballast continue ascending before falling?
- carlitos_30
- · Replies 6 ·
Acceleration of a Particle Due to Magnetic Field
- Hamzaa5623
- · Replies 1 ·
What Rate of Magnetic Field Change Induces a 10 A Current in a Circular Loop?
- PhysicsInNJ
- · Replies 2 ·
Electric DC motor, commutator, carbon brushes, and magnets
- alexandria
- · Replies 7 ·
Is my solution correct? (Electromagnetism problem)
- loki4000
- · Replies 5 ·
The magnetic field induced by a current loop
- Engineering Student
- · Replies 3 ·
Thermodynamics and waves problems
- kelvin56484984
- · Replies 2 ·
How to find equivalent resistance of this circuit?
- nfcfox
- · Replies 19 ·
Curve fitting for Gravity/Conservation of Energy Lab
- Dietrichw
- · Replies 4 ·
How Do You Calculate Charge and Distance from Electric Potential and Field?
- nfcfox
- · Replies 3 ·
How to calculate head loss in a pipe with sudden diameter expansion?
- foo9008
- · Replies 33 ·
Water and Ice mixture, Find original temperature of water
- Moon_tm
- · Replies 4 ·
Covering half of lens with an opaque coating
- Titan97
- · Replies 14 ·
Sled Dogs and Components of Force
- AK Husky
- · Replies 6 ·
Why does projectile motion include a z-direction?
- YauYauYau
- · Replies 2 ·
Moment of inertia rigid body problem
- i_hate_math
- · Replies 38 ·
Finding angular acceleration when a bike wheel slows to stop
- df102015
- · Replies 3 ·
Calculating the Angle of a Pendulum Swing into a Peg
- StrangerDanger
- · Replies 3 ·
400kJ of work is exerted to reduce a car's velocity
- WannabeEngineer
- · Replies 1 ·
How Does Friction Impact Post-Collision Speed in Inelastic Car Accidents?
- ramr0d
- · Replies 4 ·
Question on Sliding/rolling spherical ball
- i_hate_math
- · Replies 1 ·
Reynold's Number: Understanding Laminar Flow in Smooth Pipes
- foo9008
- · Replies 1 ·
Thermal Conductivity and Lasers
- says
- · Replies 1 ·