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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Minimum and maximum speeds on a banked curve with friction
- Mr Davis 97
- · Replies 12 ·
Electric flux through cube sides with E = -5x E₀/L i + 3z E₀/L k
- Blockade
- · Replies 2 ·
Finding resultant force magnitude and direction from component forces
- Robb
- · Replies 2 ·
Calculating Distance and Time Using Lorentz Transformation
- Kunhee
- · Replies 15 ·
Electricity, finding voltage and resistance
- Adeel Ahmad
- · Replies 15 ·
Deriving projectile motion equations from kinematics equations
- Rasiel
- · Replies 8 ·
Block sliding inside a frictionless ring with friction on the ring
- Mr Davis 97
- · Replies 10 ·
How Do You Calculate Mechanical Advantage in a Nail Puller?
- Armando Valle
- · Replies 6 ·
Question on linearizing equation
- RoboNerd
- · Replies 2 ·
Finding Relative Velocity in Inertial Systems
- Kunhee
- · Replies 16 ·
Truck coasting on ice with rain accumulation and variable mass
- erisedk
- · Replies 20 ·
How Much Power Does an Escalator Need to Operate Fully Laden?
- moenste
- · Replies 8 ·
Finding force magnitude, angle, and direction from position equations
- Jrlinton
- · Replies 7 ·
Removing a crane cylinder, force calculation
- ted potts
- · Replies 3 ·
Tension in Each Rope: Calculating Force and Work
- moenste
- · Replies 5 ·
Calculating Resultant Vector with Given Angle and Magnitudes?
- Pao44445
- · Replies 9 ·
Reaction on the particle in terms of angular velocity
- moenste
- · Replies 32 ·
Block and acceleration of wedge
- Mr Davis 97
- · Replies 11 ·
Why does the gravity of a shrunken Earth increase by nearly 2%?
- Deebu R
- · Replies 25 ·
Deriving radial and tangential acceleration in polar coordinates
- dirk_mec1
- · Replies 2 ·
Surface integrals and line integrals
- superkraken
- · Replies 2 ·
What is the electric field at a point along the z-axis above a charged dome?
- math4everyone
- · Replies 9 ·
Projectile Motion of thrown ball
- Austin Chang
- · Replies 3 ·
Finding v2 in isothermal expansion given P1, P2 and v1
- rmiller70015
- · Replies 5 ·
Finding Equilibrium Force in 2D Vector Addition
- Jrlinton
- · Replies 17 ·
Speed of a bead turned through X degrees
- moenste
- · Replies 4 ·
Transmitted intensity through dichroic polarizer with different absorption coefficients
- senobim
- · Replies 7 ·
Where is the net electric field zero?
- march21
- · Replies 2 ·
Plotting Graphs to fit the Data
- Jimmy87
- · Replies 13 ·
What is the acceleration of two masses on pulleys with constant tension?
- Karol
- · Replies 10 ·
Speed of the particle at a height h
- moenste
- · Replies 9 ·
Temperature at the junction of 2 wires
- Deebu R
- · Replies 8 ·
Calculating Acceleration, Displacement for 100m Sprint
- Veronica_Oles
- · Replies 2 ·
Charge to Mass Ratio Calculation for Object
- koolmerliner
- · Replies 6 ·
What Is the Time for Log A to Move 1 Meter on a Diagonal Plane?
- JAZZ541
- · Replies 14 ·
Why does a ball fired straight up from a moving cart land back in the tube?
- Austin Chang
- · Replies 5 ·
Propagation of Uncertainty - Hollow Cylinder
- Godisnemus
- · Replies 1 ·
Calculating Wavelength in a Medium with Different Speed of Sound
- Deebu R
- · Replies 4 ·
Magnetic field due to a current carrying loop
- ajay.05
- · Replies 4 ·
Resistance of hollow copper cylinder
- Siune
- · Replies 10 ·
Simple 2-D Projectile Motion Question
- Austin Chang
- · Replies 23 ·
Electric force, theory and algebra.
- NihalRi
- · Replies 2 ·
Velocity Drag force and distance traveled
- nysnacc
- · Replies 5 ·
Car coasts to a stop: find acceleration, distance, average speed
- xxcrn
- · Replies 2 ·
Need a little push. [Simple Physics Problems]
- Emilyneedshelp
- · Replies 2 ·
Two masses on a pulley system with different weights
- nysnacc
- · Replies 7 ·
Determining relative amounts of work done
- RoboNerd
- · Replies 6 ·
When is resistance large enough to be measurable?
- NihalRi
- · Replies 4 ·
Finding mass of object based on torque
- Hans Herland
- · Replies 10 ·
Why does diffracted white light have a white central fringe?
- Gigi777
- · Replies 6 ·
Name for points where electric field lines meet at right angles
- morangta
- · Replies 1 ·
Relativity -- Momentum and energy
- erisedk
- · Replies 6 ·
Archived Sign Discrepancy in Plane Stress Transformation Solutions?
- theBEAST
- · Replies 1 ·
Find the Power of a Bi Convex Lens
- Deebu R
- · Replies 5 ·
Archived Thermodynamics: Calculate the volume and temperature
- skrat
- · Replies 3 ·
Vector distance and angle question
- KevinFan
- · Replies 8 ·
Calculating Induced EMF in a Bent Loop with Changing Magnetic Field
- GwtBc
- · Replies 9 ·
How High Can Water Rise Before Tipping a Dam?
- CGI
- · Replies 4 ·
What is the significance of r-hat in the calculation of electrostatic force?
- Ashley1nOnly
- · Replies 5 ·
Projectile Motion Equation: Calculating Height from Initial Velocity and Time
- KevinFan
- · Replies 3 ·
Where Is Particle 3 on the Y-Axis Given the Electric Force?
- boxybrownmd
- · Replies 33 ·
Why Does Potential Become Zero at 2a in Graph D?
- RoboNerd
- · Replies 2 ·
Determine the maximum ratio h/b
- Sanchayan Dutta
- · Replies 1 ·
Is the Analysis of the Space Shuttle's Orbit Correct?
- Imagin_e
- · Replies 27 ·
What is the reading on a scale when a chain falls onto it?
- honlin
- · Replies 9 ·
Electrodynamics problem - force equilibrium
- y_r123
- · Replies 5 ·
Finding the time period of a 500kg car oscillating on springs
- Pao44445
- · Replies 7 ·
How do I read a stopwatch?
- Rohan12345
- · Replies 2 ·
Force of Repulsion Between Charged Bodies: Calculating with Coulomb's Law
- Deebu R
- · Replies 4 ·
Pulling masses in different ways on a rough surface
- Karol
- · Replies 2 ·
Find max distance of football thrown while running.
- connor67
- · Replies 3 ·
Friction between two moving blocks
- Mr Davis 97
- · Replies 11 ·
Which car wins a 3300 m race with different acceleration and top speed?
- Zant
- · Replies 11 ·
The force between charged and neutral object
- Aldo Biko
- · Replies 2 ·
Resistors and equipotential lines?
- edgarpokemon
- · Replies 6 ·
Mirror equation with virtual images: why does 1/u - 1/v = 1/f give 0?
- RabbitWho
- · Replies 10 ·
Solving Kinematic Questions: Velocity at t=0
- KevinFan
- · Replies 2 ·
Spaceship to Proxima Centauri: time dilation and reference frames
- RJLiberator
- · Replies 13 ·
Length covered by block after collision
- decentfellow
- · Replies 24 ·
Energy principle example problem in classical mechanics book
- certainice
- · Replies 1 ·
Momentum equation for flow through fixed 2D shapes
- member 428835
- · Replies 35 ·
How Does Buoyancy Affect Balance Scale Readings?
- honlin
- · Replies 4 ·
Free body diagram: why do I get B=434, C=470 instead of 478, 518?
- Frankenstein19
- · Replies 2 ·
Angle between force vector and line AO using dot product
- Frankenstein19
- · Replies 4 ·
What is the strength of the electric field 0.1 mm above the
- itzernie
- · Replies 9 ·
Three charges at triangle vertices repelling to infinity
- Hamal_Arietis
- · Replies 13 ·
Free Fall and the Accelaration of Gravity
- Godisnemus
- · Replies 1 ·
Designing and Testing an Experiment to Verify Kinematic Equations
- physics007
- · Replies 8 ·
Updating the suspension of a car
- KorvusKoraks
- · Replies 3 ·
Maximum Distance for Man to Stretch Spring in Equilibrium
- decentfellow
- · Replies 9 ·
What is the acceleration of an electron in an electron gun?
- alijan kk
- · Replies 2 ·
General Relativity Problem (frames of reference)
- RJLiberator
- · Replies 3 ·
Friction coefficient for rolling ball in bowl without slipping
- Karol
- · Replies 90 ·
Archived How Do You Calculate the Phase Speed of Rossby Waves?
- Tsunoyukami
- · Replies 1 ·
Why does an α-particle gain 500 V from 1000 eV kinetic energy?
- moenste
- · Replies 4 ·
Average velocity of free particle
- mihailo
- · Replies 1 ·
How can we calculate the intercept time for a NEO on a hyperbolic trajectory?
- Imagin_e
- · Replies 7 ·
Why Are the Angles in a Minkowski Diagram Equal for Different Observers?
- Powergade
- · Replies 1 ·
Adiabatic expansion of an ideal gas
- Elvis 123456789
- · Replies 4 ·
Calculating Total Energy of an Electron Orbiting a Hydrogen Nucleus
- Clara Chung
- · Replies 5 ·