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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How Does Pinhole Size Affect Image Formation in Pinhole Cameras?
- shobie96
- · Replies 3 ·
The force of gravity from the sun will be weaker
- ritwik06
- · Replies 3 ·
Vijay's Reflex Time When Arvind Drops a Scale
- ritwik06
- · Replies 7 ·
DIY Pinhole Camera: Build Your Own for School Projects!
- shobie96
- · Replies 2 ·
Why Object Colors Look Different Under Artificial Light
- ritwik06
- · Replies 1 ·
Why Does an Electron Move Downward in an Upward Electric Field?
- Soaring Crane
- · Replies 1 ·
Magnetize water with external electromagnetic field
- walela1
- · Replies 1 ·
Gravitational and kinetic energy problem
- lzh
- · Replies 10 ·
Energy Transformation: Piezoelectric Crystals in Gas Lighters
- ritwik06
- · Replies 2 ·
Solving Tension in Simple Pendulum at Centre Point
- ritwik06
- · Replies 8 ·
Bike and car acceleration physics
- fffff
- · Replies 1 ·
Deterministic chaos problem: nonperiodic behaviour
- loom91
- · Replies 8 ·
Rotational Mechanics (Conveyor belt)
- paul9619
- · Replies 1 ·
Satellite & Gravity Homework: Find Period of Revolution
- pluke100
- · Replies 2 ·
How Is Average Force Calculated for a Rebounding Ball?
- L²Cc
- · Replies 20 ·
What is the relationship between amplitude and period in a non-linear spring?
- Ja4Coltrane
- · Replies 7 ·
What units should be used to calculate Kepler's constant?
- quickslant
- · Replies 11 ·
Find the current in a circuit - Do I use Kirchhoff's?
- DieCommie
- · Replies 12 ·
Confused about electric field strength and PE
- crossfacer
- · Replies 6 ·
What's the best way to review for Physics Final?
- AznBoi
- · Replies 3 ·
Does Gauss's Law Hold for a Charge Inside a Hollow Conductor?
- ice109
- · Replies 2 ·
Energy & Momentum Homework: How Are They Related?
- physics_geek
- · Replies 5 ·
Rotational Mechanics - Pulley and Bucket
- Kaoi
- · Replies 5 ·
Coefficient of friction equations:
- chubbaf
- · Replies 3 ·
Calculating Work Done on Karen by Woodley Park Station Escalator
- lzh
- · Replies 4 ·
How Does Friction Affect the Work Needed to Move a Crate Up an Inclined Plane?
- Cole07
- · Replies 23 ·
Solving Fluid Mechanics Problems: Speed & Continuity
- kingwinner
- · Replies 7 ·
Calculating Vertical Velocity: Tips for Projectile Motion | 37° at 265m Cliff
- RedBurns
- · Replies 10 ·
Solve Projected Cylinder: Find Distance s w/ 3 Solutions
- yasar1967
- · Replies 2 ·
What Are the Key Principles of Hydrostatics and Buoyancy?
- kingwinner
- · Replies 11 ·
Sound Pressure Calculations for a Baby and Parents
- stylez03
- · Replies 3 ·
What Should I Cover in an Atomic Radius vs. Ionic Radius Presentation?
- moreovaltine
- · Replies 1 ·
Harmonic Motion with Two Masses: What Happens When One Falls Off?
- transgalactic
- · Replies 3 ·
Possible Causes of Inoperative Christmas Lights
- pivoxa15
- · Replies 7 ·
How Do Mass and Force Measure the Inertia of Moving Objects?
- sportsnh
- · Replies 1 ·
Solving for Unknown Variables in the Pendulum Equation
- stylez03
- · Replies 19 ·
Uncertainty in resistance measurements with multimeter
- Tom Pietress
- · Replies 1 ·
Fundamental standing wave in Closed tube
- stylez03
- · Replies 6 ·
What Is the Angle Between Two Vectors with Equal Magnitudes?
- moonworn
- · Replies 4 ·
Calculating Hangtime: Equation and Notecard Prep
- cprlklinger
- · Replies 2 ·
Mathematics of refraction of light
- anantchowdhary
- · Replies 6 ·
Calculating Linear Momentum of a System with a Bullet and a Rod Collision
- Parallel
- · Replies 6 ·
Calculating Acceleration in a Combined Mass System
- Stuman
- · Replies 11 ·
Calculating Velocity and Acceleration Along a Parabolic Path
- glid02
- · Replies 1 ·
Analyzing Circular Motion: Work and Tension Calculations
- Malicious
- · Replies 10 ·
Length Contraction in Relativity
- bjgawp
- · Replies 4 ·
Electric Potential Produced by Point Charge
- deenuh20
- · Replies 4 ·
Potential Energy of coffee mug Problem
- Cole07
- · Replies 14 ·
How Does an Electric Field Affect Electron Trajectory in a Cathode Ray Tube?
- penzoate
- · Replies 1 ·
Aquarium Calculus: Calculating Water Changes
- Jean-Louis
- · Replies 9 ·
A few Rotational Kinetic Energy Questions?
- paul9619
- · Replies 1 ·
Can't solve it - I think some data is missing for this to be solvable
- allok
- · Replies 2 ·
Maxima of Cosine Functions with Integer Values of Y
- d6syxx
- · Replies 8 ·
Gravitational Force and Electric Force
- Soaring Crane
- · Replies 1 ·
Decomposing Coupled Oscillators: A Superposition Approach
- Brewer
- · Replies 5 ·
Uniform Electric Field of a proton
- Soaring Crane
- · Replies 2 ·
How to Convert Units Using OnlineConversion.com?
- soulja101
- · Replies 2 ·
Max Depth of Platform on Spring Calculator
- godindisguise
- · Replies 5 ·
A Problem regarding Charge density, some Calc mar by required
- paque
- · Replies 1 ·
Is Gauss's Law Always Intuitive in Electromagnetic Theory?
- ice109
- · Replies 1 ·
Incline Plane versus Banked Curve
- TechCS
- · Replies 1 ·
What is the formula for calculating the maximum speed of a mass on a spring?
- MattsVai
- · Replies 7 ·
Determine acceleration/tension of masses
- L²Cc
- · Replies 9 ·
How Do You Calculate Electric Forces and Fields in AP Physics Problems?
- se1zure
- · Replies 1 ·
What Oscillation Mode Is Created in a Pipe with Mismatched Resonance Conditions?
- ductape
- · Replies 1 ·
Including force in free body diagram
- luca131
- · Replies 4 ·
Standing Wave Problem: Aluminum and Steel Wire Joint with External Source
- ductape
- · Replies 1 ·
Young's Double Split Experiment
- StudentofPhysics
- · Replies 6 ·
Velocity and Acceleration homework
- srh
- · Replies 1 ·
Why Does Changing Magnetic Field Direction Affect Current in a Wire Loop?
- Destrio
- · Replies 1 ·
Potential Difference, current, and resistance
- soulja101
- · Replies 3 ·
How Do You Interpret and Draw Electromagnetism Diagrams with Dots and Xs?
- soulja101
- · Replies 5 ·
Calculate Horse Motion Problem: Vavg & Velocity
- kp87
- · Replies 2 ·
Understand the Right Hand Rule and Motors
- soulja101
- · Replies 2 ·
How Do Velocities Change After an Elastic Collision?
- physics_geek
- · Replies 30 ·
Variation of velocity against distance, in an electric field
- fffff
- · Replies 7 ·
Question on a Double Split Problem
- StudentofPhysics
- · Replies 2 ·
Average Volume of Half a Sphere
- Icheb
- · Replies 1 ·
Find the direction of a electric field
- Zanatos
- · Replies 2 ·
How Does Electric Flux Change with Different Closed Surfaces Around Dipoles?
- upthedown
- · Replies 1 ·
How Does Lenz's Law Explain Current Flow in a Falling Bar Magnet Scenario?
- Destrio
- · Replies 1 ·
Newtons law of universal gravatational
- daniellelok
- · Replies 6 ·
Projectile motion of a daredevil.
- franken
- · Replies 3 ·
Electric Field - Charged Rod Question
- Physicus2
- · Replies 1 ·
Solving Kinematics Problem: 2 Stones Dropped from 60-m Cliff
- superstorebug
- · Replies 4 ·
Solving Kinematics Problem: Two Stones Dropped from 60m Cliff
- superstorebug
- · Replies 2 ·
Dimension of angular displacement, velocity and acceleration
- grigabuoy
- · Replies 7 ·
Paper Tower Challenge: Build a Stable Tower Using 1 Sheet & 3 Feet of Tape!
- whateverr151
- · Replies 2 ·
Required velocity for a stable orbit?
- qwedsa
- · Replies 6 ·
Electric field and an equilateral triangle
- abeltyukov
- · Replies 5 ·
Finding Charge Using Coulomb's Law
- Canadian
- · Replies 2 ·
Rolling a cylinder down a slope.
- EthanB
- · Replies 3 ·
What Is the Breakdown Voltage of the Capacitor Combination?
- lizzyb
- · Replies 4 ·
Electric Field homework problem
- Decan
- · Replies 4 ·
What are the forces Fu and Fv given the Resultant(R)?
- Bradracer18
- · Replies 5 ·
How Can Electromagnets Revolutionize Future Magnetic Cars?
- strachi
- · Replies 1 ·
How Can I Solve These Physics Problems for My Test Tomorrow?
- 3dsmax
- · Replies 9 ·
Interference pattern of light through a grating
- the ogre
- · Replies 2 ·
Relativity : On length contraction
- Delzac
- · Replies 20 ·
Optic Question; I need somebody's help
- Jona
- · Replies 6 ·