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 Field between two positivly chared surfaces
- ghetto_bird25
- · Replies 3 ·
How Do You Calculate the Electric Field Inside and Outside a Charged Metal Tube?
- ghetto_bird25
- · Replies 4 ·
What Force Keeps a Marble Rolling in a Vertical Tube?
- kplooksafterme
- · Replies 11 ·
Wavelength (Colours) and line spectra.
- LadiesMan
- · Replies 1 ·
Why Does My Calculation of Kinetic Energy Yield a Negative Result?
- couris
- · Replies 1 ·
Vector Help. Calc based Physics 1
- dukebdx12
- · Replies 2 ·
Circular Motion and maximum tension Problem
- desichick07
- · Replies 1 ·
How far does arrow penetrate into board
- sillybean
- · Replies 7 ·
How Can I Calculate Displacements and Speeds for My Physics Exam?
- bird4
- · Replies 11 ·
Young’s double-slit apparatus problem
- AFG34
- · Replies 2 ·
Forces and Motion Midterm Review
- rabar789
- · Replies 15 ·
What Is the Correct Charge to Use for Calculating Electric Flux in a Torus?
- jincy34
- · Replies 3 ·
Work and Power Questions NEED Help
- Turnips
- · Replies 10 ·
How Do You Calculate the Time It Takes for a Block to Stop on a Sloped Ramp?
- ChEJosh
- · Replies 18 ·
Electric Field, solving for distance
- Goldenwind
- · Replies 6 ·
Flux of a Cube with a Corner Charge
- breez
- · Replies 1 ·
Terminal Velocity of Parachute: Investigating Mass & Diameter
- xxneilxx
- · Replies 2 ·
Free Fall Motion - Max Height Reached by Helicopter
- clope023
- · Replies 8 ·
Calculating Heat Conduction Time for a Wooden Cylinder on a Hot Plate
- PPMC
- · Replies 1 ·
Work Performed by Force F on Body of Mass m up a Hill
- danilo_rj
- · Replies 1 ·
What is the Angle Between Two Vectors with Equal Magnitudes and a Given Sum?
- Melchior25
- · Replies 3 ·
How Does the Inverted Ray Diagram Work with Two Lenses?
- Larrytsai
- · Replies 5 ·
How Does Friction Affect Motion in These Physics Problems?
- shade585
- · Replies 2 ·
College Physics 1 - Composition of Forces
- gj23tm_64
- · Replies 6 ·
Solved: Calculating Mass & Normal Force of Car on Slope
- Rusk1
- · Replies 4 ·
Electric Field at (x,y) of 28.1 nC Charge
- moonlight13
- · Replies 18 ·
Converge or diverge arctan [please move to calculus section]
- rcmango
- · Replies 7 ·
Why hasnt anyone viewed my question.
- sweep123
- · Replies 7 ·
Solve Fluids & Forces Problem | Physics Forum
- pianoman2700
- · Replies 7 ·
Help with 2 simple highschool physics Problem
- pamba
- · Replies 2 ·
Help With Homework: Measuring Global Warming Temp Change
- vincikai
- · Replies 5 ·
What is the velocity of the given wave based on the wave equation?
- sweep123
- · Replies 2 ·
Ideal Gas Law Chang ein VolumeProblem
- Elzair
- · Replies 2 ·
Solution: Solve Rocket Acceleration
- ae4jm
- · Replies 11 ·
Rocket's Max Altitude & Flight Time
- jelder
- · Replies 1 ·
What is the magnitude of charge in nC on each bead?
- cse63146
- · Replies 6 ·
Electrostatic Force of a hydrogen atom
- MemoIhad
- · Replies 2 ·
What are the standard units for inertial mass and gravitational mass?
- LadiesMan
- · Replies 10 ·
Calculating Acceleration of Skateboarder on 11.9m Ramp
- miniz88
- · Replies 1 ·
Finding the Magnitude of Displacement in a Mountain-Climbing Expedition
- miniz88
- · Replies 1 ·
Kirchoff's Loop Rule as applied to Capacitors?
- fatcat39
- · Replies 5 ·
RC Circuits: Voltage as a function of time
- SolfegeDuck
- · Replies 3 ·
What acceleration will bring you to rest right at the intersection?
- jelder
- · Replies 2 ·
Electric Field Direction: Help Determine from Experiments
- BuBbLeS01
- · Replies 1 ·
Measuring Temperature Using a Carbon Resistor
- vachan
- · Replies 3 ·
1st year engineering physics problem
- Vash
- · Replies 8 ·
Spring-Mass Problem: Natural Frequency Calculation
- end3r7
- · Replies 2 ·
Calculate resistance for this diagram
- ritwik06
- · Replies 8 ·
Get Physics Homework Help: Moments Problem Solved Easily | F1 & F2
- palacefc8
- · Replies 22 ·
Moment of Inertia in slender rod - density varies
- ph123
- · Replies 5 ·
Electrostatic force between more than 2 charges
- moonlight13
- · Replies 16 ·
The Speed of Dark: Finding d with e/m
- samsam
- · Replies 5 ·
How Do Physics and Trigonometry Intersect in Simple Motion Problems?
- end3r7
- · Replies 12 ·
What are the rotational motion problems and how to solve them?
- Twilit_Truth
- · Replies 15 ·
Pulleys and blocks - find acceleration
- WiFO215
- · Replies 7 ·
Conservation of momentum and apple falling
- evansbluefan
- · Replies 9 ·
Static Problem: Calculate Max Reach of Plank w/ M1=30kg, M2=15kg
- yasar1967
- · Replies 2 ·
Solve Aeroplane Problem: Find Time t for Strike
- Cathartics
- · Replies 4 ·
How Does Gauss's Law Apply to a Sphere with a Spherical Cavity?
- GreenLantern674
- · Replies 6 ·
Calculating the Angle of a Hanging Ball in an Electric Field
- cse63146
- · Replies 4 ·
Calculate Magnitude & Angle of Clock's Vector Displacement
- chaudown
- · Replies 1 ·
How much water is contained in a cumulus cloud and what is its mass?
- AnkhUNC
- · Replies 8 ·
Rocket Height (Motion in streight line)
- Scrum
- · Replies 1 ·
Energy: work with an inclination problem
- Brt346
- · Replies 4 ·
How Is Energy Calculated for Four Charges at a Square's Corners?
- Riogho
- · Replies 1 ·
Electric Field Question Solution: Simplified Approach for Calculating Force
- Icetray
- · Replies 7 ·
Calculating Acceleration of a Moving Car
- alex81388
- · Replies 1 ·
Calculating Total Distance Covered by a Subway Train in 84 Seconds
- LICACS
- · Replies 1 ·
Minimum Thickness of a film with wavelength and index of refraction.
- LadiesMan
- · Replies 1 ·
How Do You Calculate Tension in a Cable and Measure Angles in Physics?
- meelikey
- · Replies 1 ·
Which Homework Questions Deal with Vector Quantities and Their Properties?
- ian_durrant
- · Replies 1 ·
Momentum Vs. Kinetic Energy: What's the difference?
- winston2020
- · Replies 7 ·
Calculating Pressure in a Swimming Pool: Total Force and Absolute Pressure
- MIA6
- · Replies 4 ·
Solve Electric Potential - Find Charge (9e-05 J)
- BuBbLeS01
- · Replies 1 ·
How can a magnetic field move a charged particle?
- Smittens
- · Replies 1 ·
Using waves in high school phyiscs, im looking for a proper tutorial.
- Senjai
- · Replies 1 ·
How do I solve for the correct value of x in this electric charge problem?
- Zythyr
- · Replies 11 ·
Apparent magnitude of binary star?
- samblue
- · Replies 4 ·
How Does Elevator Motion Affect Spring Oscillation?
- clipperdude21
- · Replies 3 ·
A question on electromagnetic waves (I think)
- runciblesp00n
- · Replies 1 ·
Solve Electric Force II Homework Problem
- Goldenwind
- · Replies 4 ·
What is the initial velocity of the ball thrown by Nicole?
- ae4jm
- · Replies 2 ·
Electric Force vector components
- Goldenwind
- · Replies 3 ·
Help w/ determing the speed of light in marshmallow experiment
- lavendermoon
- · Replies 4 ·
Electric Force Calculation for Particle 2
- Zythyr
- · Replies 2 ·
Rotation Mechanics [disk-axle mechanism]
- rohanprabhu
- · Replies 8 ·
Physics: Sandbag Pendulum - Weight for Infinity Motion
- Enialb56
- · Replies 12 ·
How to Find the Mass of a Hanging Pole in Rotational Equilibrium?
- shvnchizms
- · Replies 8 ·
Solve Simple Force Problem: Find the Ratio F/F(a)
- ian_durrant
- · Replies 3 ·
What energy transfer occurs when pushing a boulder without movement?
- Gear300
- · Replies 4 ·
Calculate Fill Rate for 183 US Gallon Bottle
- AnkhUNC
- · Replies 1 ·
Static friction that wasn't a maximum
- Khemkhajon
- · Replies 9 ·
: effect of light on IV characteristic of pn junctions
- marc1uk
- · Replies 13 ·
How to solve a projectile sort problem with given linear and angular velocity?
- newemily
- · Replies 1 ·
What are the direction and magnitude of the net electric field
- HueyFreeman
- · Replies 2 ·
Solve Freefall Problem: Find Speed of Stone Thrown Upward
- culexor
- · Replies 2 ·
Expansion of Solids: Brass and Lead Rods at Different Temperatures
- sudhamshu
- · Replies 3 ·
Charge deflection in ink jet printer
- steve1234
- · Replies 5 ·
How Do Similar Triangles Derive the Thin Lens Equation?
- Larrytsai
- · Replies 1 ·
Energy of a Capacitor in the Presence of a Dielectric
- vachan
- · Replies 1 ·