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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Skier on a slope (Fnormal, Ffriction, etc)
- onyxorca
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How do I calculate the work done while climbing stairs?
- weasal1975
- · Replies 1 ·
Two boats exchanging a load with momentum conservation
- nejikun
- · Replies 17 ·
Calculating Resistance for a Wire with Different Dimensions
- Rowie25
- · Replies 9 ·
Capacitance of a parallel plate capacitor with 2 dielectrics
- bigevil
- · Replies 3 ·
What is the total force exerted by two charges on a point charge at the origin?
- bphysics
- · Replies 2 ·
Weight on Mars: Calculating 56lbs from 150lbs
- Afide
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Problems on Length contraction
- chingcx
- · Replies 9 ·
Calculating Electron Flow in a Copper Wire
- sdkl84
- · Replies 2 ·
What would the volume of an object be?
- Realityguy
- · Replies 4 ·
Angular velocity and acceleration
- skp123
- · Replies 1 ·
Angular Momentum conserved with friction?
- theRIAA
- · Replies 9 ·
Circular Angular Acceleration problem
- the7joker7
- · Replies 3 ·
Does constant radial velocity always mean zero radial acceleration?
- rallizes
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Steam vs Water Heat: Which is More Dangerous?
- hover
- · Replies 14 ·
In which direction is the electric field of the point charge
- spiderlegs
- · Replies 4 ·
Projectile Motion of a Tennis Ball crossing over the net
- alexadrienne
- · Replies 1 ·
Work Done By the Electric Field
- collegeconfid
- · Replies 1 ·
WebAssign Homework - Basic Acceleration Problem
- CoryG89
- · Replies 4 ·
Thin Lens & Images: Real, Inverted & Smaller Objects
- Glen Maverick
- · Replies 2 ·
Two Point Charges Net Electric Field
- Octoshark
- · Replies 6 ·
Tapping a steel rod with a hammer-standing waves
- redbeard
- · Replies 2 ·
Ferris wheel acceleration physics
- mybrohshi5
- · Replies 9 ·
Circular Motion using polar coordinates - Mechanics
- Keano16
- · Replies 1 ·
Finding an Equation through Integrals
- AxeluteZero
- · Replies 1 ·
Acceleration problem. me vs book
- Rhine720
- · Replies 2 ·
Power Supply Alternatives for an Electromagnet
- Alieneater
- · Replies 2 ·
Ball in Free Fall, Average Force Created on Impact (Bounce Up)
- leejqs
- · Replies 1 ·
How Does Projectile Motion Determine If a Tennis Ball Clears the Net?
- ae4jm
- · Replies 11 ·
Do Bends in a PVC Pipe Affect Marshmallow Shooting Distance?
- scienceboy
- · Replies 11 ·
Solving Two Ballistics Problems
- black_hole
- · Replies 7 ·
Find an expression for the electric potential at P
- Keithkent09
- · Replies 9 ·
Maximum Speed of a Mass on a Spring with Given Mass and Spring Constant
- dance_sg
- · Replies 4 ·
Work required to move a charge?
- sdkl84
- · Replies 2 ·
How Far Was the Hotel Building Moved in San Antonio, Texas?
- duckywucky
- · Replies 1 ·
How Strong is the Gravitational Pull Between Two Students?
- dance_sg
- · Replies 1 ·
Position, velocity, and acceleration yes or no question
- mybrohshi5
- · Replies 9 ·
Relative Motion of cheetah Problem
- MFlood7356
- · Replies 2 ·
How Do You Calculate Inductor Reactance at 60 Hz?
- magnifik
- · Replies 1 ·
Magnetic field from infinite wire using Biot-Savart law
- fluidistic
- · Replies 4 ·
Magnitude of the maximum gravitational force
- onyxorca
- · Replies 3 ·
Applications of refractive light
- Ryan B
- · Replies 3 ·
Force Questions: Calculate Friction & Find Net Force
- zelda1850
- · Replies 9 ·
Projectile motion and kinematics in 2D
- Ajeezy
- · Replies 2 ·
Find the charge on the plates a long time after the switch is closed
- Jimmy25
- · Replies 1 ·
Finding probability at five locations in a 1D particle in a box
- scottnoplot
- · Replies 5 ·
How Does Thermal Equilibrium Determine Final Temperature Between Copper Blocks?
- redline7890
- · Replies 1 ·
Electric field needed to accelerate an electron
- rsminsmith
- · Replies 1 ·
What is the mass flow rate of the water?
- UCLA_preMD
- · Replies 3 ·
Two Different Accelerations, find distance these trains meet
- lordZeR0
- · Replies 6 ·
Does Amplitude Vary with Frequency in Light Waves?
- Archonnaeru
- · Replies 4 ·
TGV train minimum radius of curvature at 216 km/h with 0.050g acceleration limit
- MFlood7356
- · Replies 6 ·
Maximum Force Applied to Brakes
- hbrinn
- · Replies 1 ·
Physics question:Particle leaves the origin
- Judas543
- · Replies 1 ·
Electric field of 3 quarters of an annulus
- fluidistic
- · Replies 10 ·
Motion in Two Dimensions of darts
- Keithkent09
- · Replies 3 ·
How Can the Slope of an Incline Plane Affect the Motion of a Rolling Object?
- erok81
- · Replies 4 ·
Calculating Steam Needed to Heat Espresso from 50C to 80C
- Physics321
- · Replies 5 ·
Projectile without air resistance
- xSPARX
- · Replies 4 ·
Solve Kinematics Problem: Ladder Slipping Down Wall at 0.02 m/s
- songoku
- · Replies 16 ·
Electric Field Strength of 10cm x 10cm Charged Copper Plate
- maccha
- · Replies 2 ·
Calculating Tension on a Ramp with Inclined Load and Friction
- songoku
- · Replies 3 ·
Electric Field and Force Calculations
- kmjones26
- · Replies 1 ·
Calculating the Speed of a Sports Car in a Collision
- azzs
- · Replies 1 ·
How Do You Calculate Work and Moment in Vector Problems?
- xcgirl
- · Replies 1 ·
Driven un-damped harmonic motion
- KaiserBrandon
- · Replies 3 ·
Buoyant force: wooden block in oil and water
- physgirl
- · Replies 10 ·
Parallel light rays refraction by glass hemisphere problem
- marational
- · Replies 1 ·
Pressure in bottle - Finding depth
- kriegera
- · Replies 1 ·
Electric Field and Object Mass: Solving for Unknowns
- Octoshark
- · Replies 3 ·
Finding Velocity for 2D Projectile Motion with Given Angle and Distance
- Tearsandrille
- · Replies 1 ·
How Does Coulomb's Law Determine the Force Between Charges on Different Axes?
- electroguy02
- · Replies 3 ·
Calculating Force on a Pin with Ropes and Tensions?
- warfreak131
- · Replies 6 ·
Tension in rope (particles in Equilibrium)
- SoulInNeed
- · Replies 3 ·
Need Help - Equilateral Triangle
- kriegera
- · Replies 3 ·
Dynamics and Forces: Solving for Safety Line Tightness and Friction Force
- Omelette
- · Replies 4 ·
Calculating Distance for Siren Sound Intensity Level
- yaser1989
- · Replies 1 ·
How do you take Velocity from Acceleration?
- charan1
- · Replies 1 ·
Solve RL Circuit Homework: KVL, Voltage, Current, Time
- KillerZ
- · Replies 4 ·
Finding the tangential component of acceleration
- jumbogala
- · Replies 3 ·
Calculating Time to Overtake in a Racing Scenario: A Physics Problem
- anti404
- · Replies 2 ·
Projectile Motion Question 1: Time, Distance, and Velocity Calculations
- MFlood7356
- · Replies 4 ·
What is the net charge contained within this cube?
- GLRult
- · Replies 1 ·
Find an Expression For the Voltage
- mmmboh
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Is the Kinematic Equation Applicable for Calculating Projectile Motion Speed?
- mybrohshi5
- · Replies 6 ·
Find the tensions in the cables of a weight
- warfreak131
- · Replies 4 ·
Mechanical energy in a pendulum
- Shaley
- · Replies 1 ·
Limit of a mountain using universal gravitation
- BoldKnight399
- · Replies 1 ·
Finding Velocity of Airplane & Wind: An Analysis of Triangle ABCD
- hellbike
- · Replies 3 ·
Projectile Motion Question: Tennis Serve and Net Distance
- MFlood7356
- · Replies 8 ·
Is Option B the Correct Answer for Question 8 on Viscosity?
- The Dude 321
- · Replies 1 ·
Calculating the Hydrogen Spectrum: Understanding Energy Levels and Transitions"
- Badrakhandama
- · Replies 3 ·
Static friction of blocks on a wire
- MisterOL
- · Replies 3 ·
Equilibrium in a tractive apparatus - tension and pulleys
- sethro_gt
- · Replies 1 ·
Galilean Relativity & Inconsistency with Classical Physics
- Prophylaxis
- · Replies 1 ·
Question on oscillations spring balance and fish
- squintyeyes
- · Replies 2 ·
Focal Length of a Plano-convex Lens
- scar_face
- · Replies 2 ·
Least squares fit to a straight line?
- noname1
- · Replies 4 ·
Range of Powers of Eye Lens - Optics Question
- Keano16
- · Replies 1 ·