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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Inelastic Collision with Friction in car accident
- Abarak
- · Replies 9 ·
Why transformer voltages in phase?
- teroenza
- · Replies 3 ·
Estimate the magnitude of the torque the large loop exerts on the smaller one.
- IHave
- · Replies 1 ·
Graphing - photonic Energy Vs Frequency
- MRFISCHERRULZ
- · Replies 6 ·
Young's doublt slit experiment - Systematic and random errors -
- nousername
- · Replies 1 ·
Force between the plates of a plane capacitor
- pc2-brazil
- · Replies 2 ·
What is the Semimajor Axis and Greatest Distance of the Comet?
- Gold3nlily
- · Replies 7 ·
How Does Wind Direction Affect Perception of Speed in Moving Vehicles?
- henry407
- · Replies 3 ·
Energy Equation of two masses and spring
- pepster
- · Replies 1 ·
Random Translational Kinetic Energy
- Punkyc7
- · Replies 1 ·
Ladder against a frictionless wall
- rcouto
- · Replies 5 ·
How to decrease fringe spacing in a laser diffraction setup
- fa08ti
- · Replies 1 ·
What is the resultant force acting on a skydiver in free fall?
- Ali Inam
- · Replies 9 ·
How to find direction of mangetic field created by current
- sparkle123
- · Replies 2 ·
Velocity ratio of a third class lever
- rad10k
- · Replies 9 ·
What Direction Does the Force on the Wire Point in a Solenoid Setup?
- IHave
- · Replies 3 ·
Determine the magnitude of the net force on the loop.
- IHave
- · Replies 2 ·
What Are the Dimensions and SI Units of Voltage?
- fran1942
- · Replies 10 ·
Computational Newton's second law problem
- Hobold
- · Replies 6 ·
Show a second angular speed given a reduced radius
- littlemayhem
- · Replies 3 ·
How Do You Analyze and Graph a Complex AC Voltage Equation?
- joe007
- · Replies 4 ·
Finding normal forces for two pipes in equilibrium
- depre87
- · Replies 1 ·
Laser Beam Divergence: Calculating Total Output Power and Spot Diameter
- Ikaros
- · Replies 4 ·
What Angle Was the Second Projectile Fired to Collide with the First?
- flyingpig
- · Replies 3 ·
Friction problem Does this make sense?
- armolinasf
- · Replies 1 ·
What Causes Overheating in Jaguar XK8's Engine Cylinders?
- Punkyc7
- · Replies 1 ·
Inducing a magnetic field with a wire due to flux
- wosman
- · Replies 2 ·
What is the Difference Between Cold Plasma and Plasma in the Sun?
- aliaa.afify
- · Replies 2 ·
Solve RL Circuit Problem: V, I, P, w, w(0)
- Mr. Johnson
- · Replies 1 ·
Tension in a Pulley System: Solving for Work Done by the Tension Force
- FizexAndStuff
- · Replies 2 ·
Gauss's Law on a Charged Sphere
- LeePhilip01
- · Replies 2 ·
Calculating the Momentum of Oxygen Molecules at 484 m/s
- Punkyc7
- · Replies 4 ·
Normalization problem; volume element to use?
- adh2
- · Replies 7 ·
Are my magnetic flux calculations correct?
- zack7
- · Replies 1 ·
Friction, tension, and acceleration combination problem
- jehan4141
- · Replies 4 ·
How Do You Calculate the Total Momentum of Two Joggers?
- stupif
- · Replies 1 ·
What happens when light hits a diffraction grating at an angle?
- nousername
- · Replies 1 ·
How Does Collision Affect Kinetic Energy in Fish?
- stupif
- · Replies 1 ·
Kinetic energy after the collision
- dg_5021
- · Replies 4 ·
How Does Kinetic Energy Transfer in a Perfectly Elastic Collision?
- stupif
- · Replies 1 ·
Change in kinetic energy in a 2-car collision
- clope023
- · Replies 6 ·
Finding Charge of Two Charged Spheres
- roam
- · Replies 2 ·
Calculating Force on Inclined Plane with Friction
- NumberTheory
- · Replies 2 ·
Kinematic question from giancoli
- nobelium102
- · Replies 3 ·
What is the magnetic field strength?
- IHave
- · Replies 1 ·
Young's double slit experiment - Independent and dependant variables?
- nousername
- · Replies 1 ·
What is the radius of it's path?
- IHave
- · Replies 1 ·
Determine the electron's velocity.
- IHave
- · Replies 2 ·
How Does Plate Alignment Affect Capacitance in Variable Capacitors?
- pc2-brazil
- · Replies 3 ·
Linear and angular acceleration, flywheel
- alex.daciz
- · Replies 1 ·
Magnetic field changing speed of particle?
- sparkle123
- · Replies 2 ·
Kirchhoff's Current Law Question
- zack7
- · Replies 5 ·
Why test charge slows down in terms of electric potential and EPE.
- rcmango
- · Replies 11 ·
A point charge on a string in equilibrium with electric field
- saw176
- · Replies 3 ·
How Is the Center of Mass Calculated in a Balancing Torque Problem?
- Rayquesto
- · Replies 16 ·
Calculate the angle between a refracted wavefront
- Peter G.
- · Replies 6 ·
Net Forces and Tension Practice Problems
- bulbasaur88
- · Replies 7 ·
Physics Book Problem: Berlin-Paris Train Error
- iampaul
- · Replies 5 ·
Question on fundamentals of tension problem
- bulbasaur88
- · Replies 6 ·
What is the method for calculating velocities in a perfectly elastic collision?
- stupif
- · Replies 2 ·
Image of object through lens, mirror, and lens again
- exparrot
- · Replies 3 ·
Amplitude of small oscilliations
- funoras
- · Replies 2 ·
Solving the Inverting Op-Amp Circuit Puzzle
- andrewjnb
- · Replies 10 ·
Why does test charge +q slow down approaching fixed charge +Q using potential and energy?
- Perkins332
- · Replies 1 ·
How is 'ucs' calculated in pressure of radiation?
- logearav
- · Replies 2 ·
Direction of induced current when a magnet's S pole approaches a coil
- logearav
- · Replies 17 ·
Hovering kite height, using forces
- jehan4141
- · Replies 8 ·
Gauss's Law with non-uniform E-field
- flyingpig
- · Replies 46 ·
How Is Momentum Conserved in a Bullet and Ballistic Pendulum Collision?
- stupif
- · Replies 3 ·
Girl in a sagging hammock: equilibrium and rope tension
- andorei
- · Replies 11 ·
Small Angle Question in relation to Astronomy
- astropi
- · Replies 2 ·
Can a Man Tow a 109,000-kg Plane Using Newton's Laws?
- bulbasaur88
- · Replies 8 ·
Analyzing a Rotating Rod with a Sliding Bead
- ShEeRMiLiTaNt
- · Replies 23 ·
Graph the potential of an anharmonic oscillator
- curto
- · Replies 1 ·
Drawing an argand diagram of complex voltage
- joe007
- · Replies 1 ·
F = ma, net force on shopping carts
- jehan4141
- · Replies 8 ·
Why is a Cavity Within a Conductor Important?
- sparkle123
- · Replies 6 ·
Why does a car skid outward if centripetal force points inward?
- jaumzaum
- · Replies 2 ·
Power dissipation due to temperature change
- KingBigness
- · Replies 2 ·
Thermodynamic processes: probably easy question
- hootie
- · Replies 1 ·
How Does Weight Influence Net Force on a Submarine?
- jehan4141
- · Replies 2 ·
Finding upward force on bench support leg with student sitting off-center
- Maigowai
- · Replies 8 ·
Electric field of a loop with one positive halve and one negative halve
- rbnvrw
- · Replies 3 ·
Difference between convex lens formula and convex mirror formula
- yjk91
- · Replies 2 ·
Block pressed against wall by force P moving at constant velocity
- jehan4141
- · Replies 5 ·
Entropy change of ice-water mixture at 273K
- lowerlowerhk
- · Replies 1 ·
Finding current and power in series-parallel resistor circuit
- gatsbycollege
- · Replies 11 ·
Sound wave propagating from water through steel
- Inertigratus
- · Replies 10 ·
Percent change in photon energy
- ikstellub
- · Replies 1 ·
What Is the Mass of the Block Sliding Down a Ramp?
- flyingpig
- · Replies 11 ·
Circuit Problems : Finding Current and Voltage
- gatsbycollege
- · Replies 2 ·
Velocity of 1kg particle sliding down 30° frictionless incline from 3.17m height
- wrdsmith13
- · Replies 1 ·
How Do You Prove a Vector is Perpendicular to a Plane?
- iampaul
- · Replies 1 ·
Importance of Low Resistance per Unit Length in Electrical Cables
- Kushal
- · Replies 5 ·
Heat moving through the walls of a house
- Punkyc7
- · Replies 1 ·
Where Will the Thread Break When a Stone Hangs by a Fine Thread?
- iampaul
- · Replies 1 ·
How Do Uncertainties Affect Calculations in Cookie Volume and Size Ratios?
- iampaul
- · Replies 1 ·
Calculating Elastic Potential Energy with Varying Masses
- flyingpig
- · Replies 16 ·
Thermodynamics question - does power required mean same as power output?
- visharad
- · Replies 3 ·
Stupidity at its peak find the mass
- flyingpig
- · Replies 17 ·