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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Finding the corrected coefficients of your target
- learningastronomy
- · Replies 3 ·
Problem related to the Ideal Gas equation -- Nitrogen under pressure
- PhysicsDuki
- · Replies 2 ·
Heat Transfer and Thermofluilds
- Gaby
- · Replies 3 ·
Force and motion -- A water drop on the windscreen of a car
- shk
- · Replies 3 ·
Motion problem -- Calculations given the v(t) graph of a person jumping
- shk
- · Replies 4 ·
Electromagnetic Induction of a Disk
- Mr_Allod
- · Replies 5 ·
Integration ## f(\theta, \phi) = \frac{sin \theta}{4\pi}##
- happyparticle
- · Replies 14 ·
Electrostatic - electric potential due to a point charge
- polibuda
- · Replies 14 ·
Bound Bulk Current Density and Surface Current Density
- Mr_Allod
- · Replies 3 ·
Will EMF be induced in a coil that is accelerating in a uniform magnetic field?
- songoku
- · Replies 4 ·
Find the Lagrangian of a pendulum plane
- LCSphysicist
- · Replies 5 ·
Angular velocity and angular acceleration of a turbine
- arhzz
- · Replies 17 ·
Finding height in uniformly accelerated motion
- greg_rack
- · Replies 3 ·
Change in volume given the ratio of the heights
- greg_rack
- · Replies 3 ·
Is friction really always related to the normal force?
- bolzano95
- · Replies 5 ·
Finding the angle between a plumb line and the Earth's surface.
- andyonassis
- · Replies 3 ·
Optimizing Exposure Time for Different Magnitude Stars
- learningastronomy
- · Replies 7 ·
Angular Distance driven by a car going around a roundabout
- aatari
- · Replies 10 ·
Confused about relativity and a train
- LCSphysicist
- · Replies 7 ·
How to Solve the Motion of a Chain Falling Off a Table?
- etotheipi
- · Replies 6 ·
Electrostatics: Calculate the Electric Field near a Charged Ring
- polibuda
- · Replies 4 ·
Find the Magnitude of Average velocity using the given vectors
- aatari
- · Replies 2 ·
Calculating Discharge Rate of Fluid in Circular Area
- WhiteWolf98
- · Replies 10 ·
Radio waves in air and water - difference in path
- Mircro
- · Replies 1 ·
Electromagnetism: Determining Induced EMF
- Pi314227
- · Replies 4 ·
Centripetal force problem involving a washing machine
- Caw
- · Replies 5 ·
Question about car braking and tire friction
- jaumzaum
- · Replies 19 ·
Determining the starting position when dealing with an inclined launch
- arhzz
- · Replies 50 ·
Cylinder rolling due to magnetic force
- archaic
- · Replies 4 ·
Current in a resistor with Kirchhoff's laws
- greg_rack
- · Replies 8 ·
What Is the Mean Free Path of a Photon at the Sun's Center?
- user12323567
- · Replies 1 ·
Understanding the Relationship Between Momentum and Energy: A Classical Approach
- TheCelt
- · Replies 6 ·
What is the Saha equation and how does it apply to hydrogen gas?
- zenodv
- · Replies 1 ·
Is the pressure equal everywhere here?
- anonymous99
- · Replies 11 ·
Considerations for the FBDs of a parachutist traveling at terminal velocity
- greg_rack
- · Replies 7 ·
Contradiction in Phase of reflected sound
- Vivek98phyboy
- · Replies 1 ·
Normal Stress in Rods Experiencing Temperature Changes
- Qube
- · Replies 1 ·
Simple and driven harmonic motion
- Andrei0408
- · Replies 4 ·
Distance traveled by a particle in a transverse wave
- greg_rack
- · Replies 2 ·
Homework Problem Using the Universal Gravitation Equation
- jackplaysgames
- · Replies 5 ·
Heat dissipated by a steel disk
- Bolter
- · Replies 5 ·
Three phase systems - current magnitude
- GuthrieF
- · Replies 1 ·
Should I use arccosine instead?
- Uxas
- · Replies 6 ·
Forces and moments -- Pushing wheeled luggage through the airport
- shk
- · Replies 10 ·
Compression ratio and volume reduction of CO2
- StillAnotherDave
- · Replies 12 ·
Is Air Resistance Negligible in Projectile Motion Experiments?
- Koin
- · Replies 13 ·
Calculating the current in an inductor (AC)
- scizzzro
- · Replies 3 ·
Equation Demonstration -- Comparing a pendulum's motion to an LC circuit
- Andrei0408
- · Replies 7 ·
Coulomb's Law and Conditional Convergent Alternating Harmonic Series
- plasticstardust
- · Replies 11 ·
Find the value of Cp using SFEE and Thermodynamic equations
- Kajan thana
- · Replies 19 ·
Frequency and Sound Wave Reflection
- Jimmy87
- · Replies 12 ·
Electric field lines between a point-charge and a conducting sheet
- huszarerik
- · Replies 1 ·
Moment of inertia of a uniform 2D triangular plate
- wcjy
- · Replies 4 ·
Why does the pressure of a gas bubble change as it rises?
- TomK
- · Replies 4 ·
Simple Electric Field due to a Charged Disk
- yyfeng
- · Replies 5 ·
Particle in a box : Schrodinger Eq
- postechsung
- · Replies 5 ·
Finding the perpendicular distance in this moments question
- Bolter
- · Replies 8 ·
Connected Particles Question (ENGAA 2019)
- TomK
- · Replies 8 ·
SUVAT Question (from ENGAA 2019 Paper)
- TomK
- · Replies 4 ·
Resolving forces in the direction perpendicular to a line
- Bolter
- · Replies 3 ·
Thermal Machine: Solving for Q23 to Complete the Otto Cycle
- A13235378
- · Replies 1 ·
Doubt related to buoyant force and fluid thrust force
- Hamiltonian
- · Replies 9 ·
A capacitor of variable capacitance
- A13235378
- · Replies 1 ·
Find the area bounded by these 4 arcs
- chocopop
- · Replies 7 ·
Troubleshooting a Wrong Multiplying 2nd Equation
- n.easwaranand
- · Replies 7 ·
Determining the minimum velocity when given height and length
- arhzz
- · Replies 2 ·
Connecting a step-up transformer backward
- Alameda
- · Replies 5 ·
Net force acting on a ping-pong ball
- bbbbb
- · Replies 11 ·
Bead on a rotating stick and the Lagrangian
- LCSphysicist
- · Replies 2 ·
Thermal physics problem -- Pressure and temperature of air in a refrigerator
- ib43
- · Replies 2 ·
Vapor-compression refrigeration system - boiling & critical point
- yecko
- · Replies 3 ·
Pressure at the bottom of a cube immersed in two liquids
- songoku
- · Replies 5 ·
Motion equation problem -- Car accelerating with a constant power engine
- Weber_per_metermeter
- · Replies 3 ·
How do I calculate the magnitude of initial acceleration?
- sarahin3d
- · Replies 9 ·
Forces and Motion - Sliding a Box Up an Inclined Plane w/ Friction
- Scimitar
- · Replies 10 ·
Proof question related to the Ideal Gas Law
- Kajan thana
- · Replies 8 ·
Finding the Volume of an Ideal Gas
- Kajan thana
- · Replies 4 ·
Doppler effect and beat frequency
- Kolika28
- · Replies 3 ·
Volume Flow Rate: Open vs Closed Valves
- Bolter
- · Replies 3 ·
Moment of inertia (Perpendicular axis theorem)
- andyonassis
- · Replies 1 ·
Determining net force and acceleration
- Shaye
- · Replies 6 ·
Conservation of Energy Problem (Power)
- EnricoHendro
- · Replies 14 ·
Finding frequency of vibrating wire using Young's modulus
- zstraught
- · Replies 1 ·
Understanding Loop Currents: Why is I3 Negative?
- Jey
- · Replies 1 ·
Vector Problem -- Addition of two vectors given in polar coordinates
- randomphysicsguy123
- · Replies 11 ·
Homework: Calculate the work done to accelrate a car
- bbbbb
- · Replies 1 ·
Determining the direction of current due to a change in magnetic flux
- Eitan Levy
- · Replies 4 ·
Voltage across an inductor after flipping a switch
- Eitan Levy
- · Replies 5 ·
Maximum Voltage Between Long Coaxial Cylinders
- cwill53
- · Replies 3 ·
Is this formula for a ball rolling down a ramp incorrect?
- etotheipi
- · Replies 10 ·
Finding the charge density of an infinite plate
- Eitan Levy
- · Replies 11 ·
The electric field inside a hole inside a conductor is still 0?
- Eitan Levy
- · Replies 2 ·
Energy ratio of two systems with charged planes
- Eitan Levy
- · Replies 18 ·
Why does the intensity vary when the detector is moved away from the slits?
- guest948
- · Replies 3 ·
Pressure at the walls of a container
- Kaguro
- · Replies 1 ·
Calculating Moments About a Point
- Bolter
- · Replies 4 ·
Redistribution of Pre-Charged Capacitors
- baseballfan_ny
- · Replies 11 ·
Maximum tension in a cable holding a drawbridge
- greg_rack
- · Replies 5 ·
Finding the inductance of a rotating cylinder shell
- Eitan Levy
- · Replies 14 ·
What is the value of ω for the following wave?
- Eitan Levy
- · Replies 5 ·