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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Maximum Horizontal Force of Relativistic Point Charge
- QuantumDuck23
- · Replies 2 ·
Initial and Final Kinetic Energy
- James2911
- · Replies 1 ·
Correct statement about force between two charges
- songoku
- · Replies 10 ·
Mass of sweat evaporated from 1.0 MJ energy loss
- IshaanM8
- · Replies 13 ·
Alpha Particle Scattering and angular momentum
- brotherbobby
- · Replies 4 ·
Contour Integral to Properly Posting Math Problems on Online Forums
- Othman0111
- · Replies 3 ·
Calculating acceleration from the coefficient of kinetic friction
- Specter
- · Replies 48 ·
Newton's 2nd law with oscilations
- Danielpom
- · Replies 17 ·
Train collision (linear kinematics)
- walking
- · Replies 6 ·
How Does Newton's Law of Cooling Affect Heat Loss Calculations?
- Radical
- · Replies 2 ·
Calculation of resulting force from out of axis Torque
- Jony S
- · Replies 21 ·
Gauss law two infinite plane question
- Clara Chung
- · Replies 1 ·
This method may be more intuitive for some people.
- Jimmy87
- · Replies 4 ·
Adiabatic PVT relationships - why Kelvin and not Celsius?
- Taulant Sholla
- · Replies 3 ·
Comparison horizontal distance in presence of resistance
- songoku
- · Replies 8 ·
A jet comes in for a landing on solid ground
- Alexanddros81
- · Replies 1 ·
Balance reading when new object immersed in water
- songoku
- · Replies 20 ·
Flash in rocket will arrive first at front or back?
- songoku
- · Replies 12 ·
Analyzing Forces & Electrons: Free Body Diagram
- VividAce
- · Replies 2 ·
Finding I1 with Kirchhoff's voltage law sign error
- John Wiggum
- · Replies 6 ·
Calculating Separation of Cars in a Convoy Moving at Max Speed
- Ujjwal Basumatary
- · Replies 4 ·
Free fall velocity and distance
- poh
- · Replies 34 ·
What is the expression for the velocity of the Car in Vector
- Lapse
- · Replies 5 ·
1D Angular Motion with different velocity stages
- Darkbound
- · Replies 3 ·
Period of Oscillations near equator
- Decadohedron
- · Replies 5 ·
Do hotter stars always appear larger than cooler stars in images?
- James Beedy
- · Replies 3 ·
Calculate Net Charge Contained by the Cube
- MedEx
- · Replies 15 ·
Finding when E equals K in oscillating spring-mass system
- Kkurenai
- · Replies 6 ·
Calculate Electric Potential from Non-uniform Linear Charge
- DapperDan
- · Replies 20 ·
Kinetic energy and momentum of two satellites colliding
- songoku
- · Replies 8 ·
Static equilibrium -- A picture hanging on a wall
- siapola1
- · Replies 9 ·
Trajectory of a particle when its position vector changes
- Davidllerenav
- · Replies 46 ·
Finding the values of voltage and current in this circuit
- rugerts
- · Replies 12 ·
What Is the Magnitude of the Electric Field Between Parallel Plates?
- Larissa McNeil
- · Replies 4 ·
Showing that the current integral equals the time derivative of dipole moment
- dRic2
- · Replies 11 ·
Time for light signal to traverse moving spaceship
- messier992
- · Replies 5 ·
What is the potential at point D in the circuit
- tots123450
- · Replies 9 ·
Net force acting on a charged particle ##+Q##
- Mutatis
- · Replies 9 ·
Energy Equation for a Roller Coaster on a Full Circular Loop
- Np14
- · Replies 2 ·
Electric Potential and Field Diagram - True/False
- John123
- · Replies 6 ·
Energy equation for rubber ball swung in vertical circle
- Np14
- · Replies 15 ·
Relative Velocities: Speed of C in A's Frame
- messier992
- · Replies 1 ·
Minimum heat removed from gas to restore its state
- hnnhcmmngs
- · Replies 5 ·
Inelastic collision of two docking satellites
- Mariesa Yeoman
- · Replies 4 ·
Inclined Plane Static Friction Coefficient
- Mark Trice
- · Replies 11 ·
What is the effective spring constant of a charged DNA molecule?
- jybe
- · Replies 1 ·
with this tension problem -- Mass on an accelerating cable
- Jett Johnson
- · Replies 3 ·
E-field from one end of an infinite non-conducting rod
- arturo
- · Replies 16 ·
Finding fluid elevation in a piezometric tube with gauge pressure
- WhiteWolf98
- · Replies 10 ·
Solving the Speed of Blood Flow in a Magnetic Field
- Steve F
- · Replies 6 ·
Baseball in the air 2D motion question
- Kyros
- · Replies 1 ·
Is the Ideal Gas Law Valid for Balloon Problems?
- Taulant Sholla
- · Replies 5 ·
Basic Kinematics - shouldn't there be a constant?
- Taulant Sholla
- · Replies 3 ·
Cylinder lying on conveyor belt
- JD_PM
- · Replies 78 ·
Cell and membrane volume physics
- Akewal
- · Replies 1 ·
Pressure exerted on the end of a pool
- JCL
- · Replies 2 ·
Skier on a slope -- speed question
- Nayu
- · Replies 2 ·
Will a sliding box fall over when it stops?
- Tibriel
- · Replies 37 ·
Calculus Problem: acceleration, speed, and displacement of a particle
- Stephanievet54
- · Replies 1 ·
Connected particles on an inclined plane
- Taylan
- · Replies 1 ·
Minimum and maximum values so the system remains at rest
- James2911
- · Replies 11 ·
Calculate the speed of a point based on a graph
- Davidllerenav
- · Replies 40 ·
How do I analyze a body with a 14 kip force at a point?
- fayan77
- · Replies 8 ·
Angular and Linear Momentum Problem
- Bobby345
- · Replies 18 ·
Final potential difference of a 2 capacitor system
- Zack K
- · Replies 3 ·
Adding Vectors to Find Velocity
- Charge
- · Replies 16 ·
Dependence of an electric field on distance
- downbra
- · Replies 12 ·
Calculating Electric Field at Point A from Uniformly Charged Arc
- martinbandung
- · Replies 2 ·
How much work is done when a satellite is launched into orbit?
- tuki
- · Replies 5 ·
Calculus angular acceleration with respect to theta
- nick76342
- · Replies 2 ·
Tangential acceleration and centripetal acceleration
- siapola1
- · Replies 5 ·
What is the Ideal Angle for a Frog's Jump to Reach 3 Meters Horizontally?
- Taylan
- · Replies 19 ·
Find the magnitude of this velocity - SHM problem
- AgNO3
- · Replies 29 ·
Find the electric field at an arbitrary point
- Mutatis
- · Replies 12 ·
Friction force between two disks in contact
- JD_PM
- · Replies 6 ·
How Do You Calculate the Electric Charge on a Suspended Cork Ball?
- astroman707
- · Replies 2 ·
Calculating Entropy Change for Gas Sample with Helium and Ideal Gas Equation
- jybe
- · Replies 1 ·
Flux linked with lower face of a cube
- premraj59
- · Replies 2 ·
Potential at center of sphere of radius R and charge -Q
- Zack K
- · Replies 14 ·
How Does the Equation of State for a Solid Change with Temperature and Pressure?
- hnnhcmmngs
- · Replies 5 ·
Train collision prevention problem
- opus
- · Replies 8 ·
Find the area and length of a gold leaf
- MachineInTheStone
- · Replies 3 ·
Calculate the focal length of the spectacle lens
- gungo
- · Replies 3 ·
Find Radius of Outer Sphere for 1uF Spherical Condenser
- James2911
- · Replies 4 ·
Thin wire alternating exerts force on a nearby charge
- CptXray
- · Replies 5 ·
Two hockey pucks colliding at 90 degrees and sticking together
- Jeemeli
- · Replies 4 ·
Work for constant pressure process with phase change
- jybe
- · Replies 6 ·
Is the Angular Momentum of a Pendulum Conserved?
- brotherbobby
- · Replies 5 ·
Tension in a rope at the midpoint
- James2911
- · Replies 8 ·
Find the electric field at the point P on a right triangle
- ino
- · Replies 5 ·
Thrust 6.05MN, mass 4,520,000 lbm, what is the acceleration?
- dani546237
- · Replies 1 ·
Instantaneous acceleration from Velocity-time graph
- James2911
- · Replies 5 ·
The potential difference of a proton
- Johnnie123
- · Replies 4 ·
Pressurized gas container gets opened
- dkeating
- · Replies 1 ·
Hydrostatics Pressure - Finding thrust and resultants
- maxisman
- · Replies 1 ·
Correct statement about series RC circuit
- songoku
- · Replies 4 ·
Calculate the torsion of a silver thread
- AlejandreBurgues908
- · Replies 21 ·
What are the accelerations in the multiple-pulley problem?
- subhradeep mahata
- · Replies 10 ·
Temperature of a bar to produce certain force on wall
- songoku
- · Replies 6 ·
Phase difference between points on wall
- songoku
- · Replies 4 ·