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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Electric Flux through an Infinite Plane due to a Point charge
- sharpnova
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Help with Linear Harmonic Oscillator Problem
- sanjeeb
- · Replies 8 ·
Velocity of sound coooool but how?
- perfectz
- · Replies 15 ·
How Do You Calculate Current in Series-Parallel Circuits?
- Gerard
- · Replies 2 ·
Solve Magnetic Problem: Find Field Magnitude from Radius & Speed
- bidhati
- · Replies 1 ·
Comparing Bridge Forces: With & Without Trusses
- Eagle784
- · Replies 7 ·
Angle for n-fold Magnitude Increase of A→ +B→
- beauty-eyes
- · Replies 2 ·
Magnetism and Centripetal force question
- jumpfreak
- · Replies 2 ·
Solving Gauss' Law for a VDG Dome: Electric Field at 25cm
- flash
- · Replies 6 ·
Velocity vectors in three dimensions
- Mattew
- · Replies 4 ·
Modified Formula for Friction-Affected Oscillation of Box on Spring Platform
- bilalbajwa
- · Replies 8 ·
Increment value of equvalent resistance when the resistances are parallel
- sudhir1962
- · Replies 2 ·
Understanding Pressure: Definitions and Units
- BMWPower06
- · Replies 2 ·
What is the force exerted on a flat roofed building by wind pressure?
- ku1005
- · Replies 3 ·
Velocity Question - Odd answers
- hiddenlife5009
- · Replies 3 ·
Atwood Machine: Is g = 9.8 m/s^2?
- curiousgeorge99
- · Replies 2 ·
How Does Absorptivity Affect Heat Radiation in Small Temperature Differences?
- neelakash
- · Replies 1 ·
Solving for Boat Problem: Speed Relative to Water
- Momentum09
- · Replies 1 ·
Conceptual question on velocity (double-checking my own work)
- exi
- · Replies 4 ·
Vector addition (?) with acceleration and velocities given in vectors
- exi
- · Replies 7 ·
The molar heat of combustion for phenol
- Taryn
- · Replies 2 ·
Calculating Calorimeter Heat Capacity for Naphthalene Combustion
- Taryn
- · Replies 3 ·
Calculating Initial Velocity for a Projectile Across a Ravine
- nata620
- · Replies 3 ·
How Is Work Done by Friction Calculated in Physics Problems?
- kiwikahuna
- · Replies 1 ·
How Do You Calculate Change in Temperature in a Thermodynamics Process?
- blumfeld0
- · Replies 3 ·
Amplitude Question Just Need A Formula
- MJC8719
- · Replies 1 ·
How to Calculate Time for Temperature Drop in Heat Radiation Problem?
- neelakash
- · Replies 2 ·
Maximum Speed on a Horizontal Bend with Friction Coefficient of 0.5?
- Sparky500
- · Replies 4 ·
Calculating truck speed in collision with a tree | Physics problem solution
- Steveku
- · Replies 1 ·
What Device Can Apply Constant Force Per Second for String Tension Experiments?
- mindboggling
- · Replies 1 ·
Solve Free Fall Question: Stone Thrown Vertically w/ Speed 12.9 m/s
- hiddenlife5009
- · Replies 12 ·
Motion Questions: Newton's 2nd Law, Pile Driver GPE
- blaziken's_charizard
- · Replies 4 ·
Solving Transistor Amplifier Question from 2006 VCE Physics Exam
- freswood
- · Replies 13 ·
Effects of temperature towards conductivity
- wisdom32
- · Replies 1 ·
Galileo's trial-positive or negative impact?
- kingwinner
- · Replies 6 ·
Paper due on the stability of the quantum science
- Pakbabydoll
- · Replies 7 ·
How High Above Earth is Gravity 10% of Sea Level?
- ryryguy
- · Replies 1 ·
Determine acceleration from position vs time graph
- Momentum09
- · Replies 1 ·
Elastic and Inelastic Collisions
- BMWPower06
- · Replies 1 ·
What is the Acceleration of a Cheetah Reaching Full Speed in 3 Strides?
- hiddenlife5009
- · Replies 2 ·
What is the Electric Flux through a Vertical Wall Facing East?
- krv77
- · Replies 2 ·
How Do You Calculate the Kinetic Energy of an Asteroid?
- MJC8719
- · Replies 4 ·
Symbol Meaning: \vdots Susceptibility Electric Field
- n0_3sc
- · Replies 3 ·
Calculating Resistance of a Copper Pipe Based on Length and Diameter
- GravityGirl
- · Replies 6 ·
Energy conservation law problem
- Petrulis
- · Replies 1 ·
How Does an Analysis Magnet Separate He2+ and He+ Ions?
- malawi_glenn
- · Replies 2 ·
How Much Weight Is Needed to Increase PSI in a Water-Filled Cylinder?
- Kalagan
- · Replies 1 ·
Desperately - Hooke's law - stiffness constant
- _Greg_
- · Replies 1 ·
Energy conservation law problem
- Petrulis
- · Replies 6 ·
Momentum conservation law in shooting gun problem
- Petrulis
- · Replies 3 ·
How Much Force is Needed to Climb a Hill at Constant Speed with Air Resistance?
- BMWPower06
- · Replies 4 ·
Troubleshooting a Two Mass Interaction Problem in Scientific Research
- Black Riven
- · Replies 1 ·
How Do You Calculate the Uniform Electric Field Between Two Plates?
- grscott_2000
- · Replies 3 ·
Will Changing Light Color Affect Refraction and Photoelectric Emission?
- t_n_p
- · Replies 5 ·
Radius of proton given radius of electron
- t_n_p
- · Replies 2 ·
Rotation: Calculating Rotational Energy of Sphere with Steiner
- Kruger
- · Replies 1 ·
Is Momentum Conservation Sufficient for Elastic Collisions?
- mike2007
- · Replies 1 ·
Why Does Mass Positioning Affect Weight Discrepancies in Suspended Systems?
- Ry122
- · Replies 5 ·
How Will the Body Move When the Monkey Climbs the Rope?
- Petrulis
- · Replies 1 ·
How can I create an effective electromagnetism project for my physics summative?
- lankan_ice_405
- · Replies 8 ·
Why Is My Trebuchet's Initial Velocity So High?
- skylarr
- · Replies 1 ·
Balancing Forces on a String: Can Fus and Fsu be Equal and Opposite?
- t_n_p
- · Replies 7 ·
Frictional Force on 39 kg Mass on Inclined Plane
- kiwikahuna
- · Replies 4 ·
SIMPLE vector problem,, just making sure
- say_physics04
- · Replies 3 ·
Why Does a Slinky Show a Sine Wave When Measuring Magnetic Fields?
- torquey123
- · Replies 1 ·
Calculating Velocity & Acceleration for 45° Incline Drop
- pharaoh
- · Replies 19 ·
Projectile Motion of thrown rock
- Momentum09
- · Replies 1 ·
Solve Statics Question: Vertical Reactions at A,D,F
- JoshuaR
- · Replies 2 ·
Potential difference Capacitance problem
- endeavor
- · Replies 3 ·
How to Tackle a Physics Final with No Tutor?
- qcksteel
- · Replies 4 ·
Solving Bottle Thrown with Initial Velocity: Find Final Velocities
- ryryguy
- · Replies 4 ·
Solving a 3-Part Frictionless Problem
- jasminwater
- · Replies 3 ·
How Does Fourier's Law Apply to Heat Transfer Through a Wall?
- skimmer
- · Replies 2 ·
Solving Parallel Spring System with 30N Weight: Step-by-Step Explanation
- kiwikahuna
- · Replies 5 ·
Pendulum Physics Problem: Finding Stretch Force at Equilibrium
- Petrulis
- · Replies 1 ·
Work and Power: Lever Efficiency Problem
- NDiggity
- · Replies 5 ·
Solving Catapult Physics Homework with Simple Mechanics Equations
- fishmonkeys
- · Replies 3 ·
Air resistance on a falling person
- garagelu
- · Replies 2 ·
Time for heating to equilibrium with constant heat flux
- Komakech
- · Replies 1 ·
Calculating Distance and Time for Freely Falling Bodies
- Chiralic
- · Replies 4 ·
Calculating Final Velocity of an Object Falling off a Cliff
- Chiralic
- · Replies 3 ·
How Do You Calculate a Plane's Average Acceleration from Velocity Components?
- Abarak
- · Replies 13 ·
Knocking the bottom of the bottle.
- Petrulis
- · Replies 1 ·
Nuclear Binding Energy and Decay Constant
- alzaeem
- · Replies 5 ·
How Can I Compute the Different Amplitudes of a Simple Sound Source in Air?
- NonameNoface
- · Replies 1 ·
Is my graph of Ep/J against t/s for an oscillating object correct?
- inv
- · Replies 5 ·
Explaining Conductors, Stress-Strain, Insulators & Variables
- freezx
- · Replies 3 ·
Newton's Laws - Tetherball on a pole
- Trojanof01
- · Replies 1 ·
How Deep is the Hole? Solving for Distance Using Kinematics and Speed of Sound
- Chiralic
- · Replies 3 ·
Another transistor amplifier problem
- poala999
- · Replies 1 ·
Interaction between science and religion in the 17th century
- kingwinner
- · Replies 5 ·
How Does Capacitor and Resistor Parallel Impedance Vary with Frequency?
- flash
- · Replies 4 ·
Projectile Motion traveling particle
- Momentum09
- · Replies 2 ·
Understanding Nabla and its Derivatives in 3D Systems
- f(x)
- · Replies 8 ·
Associative Operation with Four Vectors: Is it True?
- bgy
- · Replies 2 ·
Pythagorean Theorem and Pendulums
- Soley101
- · Replies 5 ·
How Does a Copper Wire React in a Magnetic Field?
- Ry122
- · Replies 4 ·
Uncertainty/errors in meter stick measurements
- _Greg_
- · Replies 3 ·
How Do You Calculate Acceleration of Sliding Rocks on a Hill?
- kar_04
- · Replies 4 ·
Calculating/Simulating Vehicle Braking Force
- Gazzoo
- · Replies 1 ·