Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Calculating Quasar Variability Using CCD Camera and Magnitude Comparison
- StillLearningToronto
- · Replies 4 ·
"Uncertainity Product for Particle in 1-D Box
- Sushmita
- · Replies 5 ·
Finding Time and Vf: Car chase problem
- Benny98
- · Replies 3 ·
How to Calculate the Bird's Net Displacement Using Vector Addition?
- ComputerForests000
- · Replies 3 ·
Defining which cyclist profits the most from slipstream
- Physicsterian
- · Replies 88 ·
Finding Displacement: Sketch & Solve w/ Cosine Law
- Jeremy Mercier
- · Replies 1 ·
Is the least count constant for Vernier scale or variables?
- Medicalboy
- · Replies 3 ·
Ball striking rod end: angular velocity after collision
- Mohammeddev
- · Replies 2 ·
What is the height of a ball after being in the air for T/4 seconds?
- robax25
- · Replies 7 ·
How Far Will the Glasses Land from the Stopped Bicycle?
- Jpyhsics
- · Replies 2 ·
Calculating the relevant variables for a rotating habitat
- DET
- · Replies 2 ·
How Do You Calculate Instantaneous Velocity at a Midpoint in Particle Motion?
- fight_club_alum
- · Replies 7 ·
The use and meaning of the three beginning physics equations
- Jaq202
- · Replies 6 ·
Find electric field a distance P from a charged rod
- isukatphysics69
- · Replies 7 ·
Applying a force in a wheel bicycle
- Guillem_dlc
- · Replies 2 ·
Electric field magnitude and direction from three point charges
- isukatphysics69
- · Replies 23 ·
Find the range of acceleration so that the drums won't fall
- QuantumRose
- · Replies 4 ·
How do I determine the force on a object moving on a curve?
- js430
- · Replies 3 ·
Determine the net charge of sphere C
- isukatphysics69
- · Replies 2 ·
If given A,B,C, Find constants x,y |xA +yB=C
- astroman707
- · Replies 1 ·
What angle will give the object the greatest range?
- astroman707
- · Replies 3 ·
Pressure in a closed pot with water and air heated to 100°C
- iamnotsmart
- · Replies 24 ·
Need quick help with finding positional equation
- anonymous123321
- · Replies 1 ·
Two suspended charged particles, find the angle from vertical.
- Bobbo Snap
- · Replies 6 ·
Dynamic reaction versus Coriolis acceleration of the disk
- MPavsic
- · Replies 1 ·
How Is Electric Flux Calculated for a Rectangle in an Electric Field?
- cookiemnstr510510
- · Replies 5 ·
Projectile motion with only distance, an angle and a ratio
- Julie Yum
- · Replies 22 ·
Propagation of Error and Relative Error
- GoCubs12
- · Replies 10 ·
Charge distribution on concentric spheres
- Abhimessi10
- · Replies 17 ·
Finding Vector Angle using cosine law
- alexi_b
- · Replies 13 ·
Simple Harmonic Oscillator with Boundary Conditions
- blizzardof96
- · Replies 10 ·
Which block will strike first? Left or right?
- Qmechanic18
- · Replies 3 ·
Calculate the relative angular velocity
- Aamon
- · Replies 2 ·
Rotational Momentum: Calculating Angular Speed After Cockroach Stops
- JessicaHelena
- · Replies 2 ·
Interference Fringes in a Diffraction envelope
- Yoki
- · Replies 5 ·
Consistency of Faraday's Law and Electric Field Equation in Optics
- Blue Kangaroo
- · Replies 2 ·
Charge entering into the field between capacitor plates
- Abhimessi10
- · Replies 9 ·
What is the speed of an object with a momentum of <-1,-2,3>?
- Liam Corbin
- · Replies 3 ·
Fresnel equation and Snell's law
- says
- · Replies 7 ·
Map question involving vectors (find the angle)
- alexi_b
- · Replies 13 ·
The mass of air in the pressurised air tank
- Gregs6799
- · Replies 31 ·
Two blocks on a plane connected with a Rod
- Navin
- · Replies 6 ·
Can More Readings Reduce Fractional Error in Measurement?
- Angela Liang
- · Replies 2 ·
What’s the relation between activity and half-life
- Angela Liang
- · Replies 2 ·
Model Rocket Launch: Maximum Height, Time, and Duration Calculations
- Zacharrry
- · Replies 1 ·
Kinematics Problem: Train braking and blocking an intersection
- Zacharrry
- · Replies 1 ·
Electric field as a function of time
- jasonchiang97
- · Replies 3 ·
Finding drop height when object travels 1/4 total distance in last second
- spacey__
- · Replies 12 ·
Relationship between x and y components of E
- jasonchiang97
- · Replies 12 ·
How Does Inserting Different Dielectric Materials Affect Capacitor Performance?
- Abhimessi10
- · Replies 9 ·
Amount of water spilled when the temperature is changed
- Phys12
- · Replies 9 ·
Speed of ball dropped from building after falling 2d
- Peter Groppino
- · Replies 6 ·
Trying to get an average speed of 60 MPH
- opus
- · Replies 8 ·
Graph of Position Seems to be Wrong
- GoCubs12
- · Replies 6 ·
River question (looking for angles and headings)
- alexi_b
- · Replies 8 ·
Solving for Temp Change of Epoxy Frames for Lenses Insertion
- KristinaMr
- · Replies 4 ·
Problem in the C.G. and torque equilibrium
- Dandi Froind
- · Replies 12 ·
Basic physics units problems involving the Ideal Gas Law
- jamiebean
- · Replies 5 ·
Which circuit shows the correct connection and values?
- jaximus
- · Replies 4 ·
Radial Acceleration on a string
- alexi_b
- · Replies 4 ·
The speed of a metal wire on two rails with a magnetic field
- knowone
- · Replies 8 ·
Vector Addition Question: find angle (A+B & A-B)
- alexi_b
- · Replies 3 ·
Photo-current and Intensity of light
- MeAndMyLucidLife
- · Replies 10 ·
Which graphs represent different types of current flow?
- jaximus
- · Replies 4 ·
What is the equation for constructive interference in thin film interference?
- fedecolo
- · Replies 3 ·
Dimensional Analysis of an oscillation
- Zack K
- · Replies 3 ·
Defining equilibrium and movement in pulley arrangements
- Physicsterian
- · Replies 8 ·
Comparing cicular motion to the motion of a pendulum
- Muthumanimaran
- · Replies 6 ·
Max angle of deflection in a relativistic elastic collision
- redoopi
- · Replies 15 ·
Minimum Acceleration of an ambulance
- Austin Gibson
- · Replies 7 ·
Determining Speed given Horizontal and Vertical Distances
- Accolade
- · Replies 1 ·
Using a CCD camera to solve physics problems
- StillLearningToronto
- · Replies 3 ·
Problem in understaning potential energy
- Vatsal Goyal
- · Replies 9 ·
Comparing the deceleration of a squirrel to a WW2 airmen
- HunterB
- · Replies 8 ·
[Mathematical physics] - Integral problem
- Mulz
- · Replies 7 ·
Calculating the Maximum Kinetic Energy of pions
- Kashif Iqbal
- · Replies 1 ·
What is the correct tension equation for a pendulum at rest?
- Pochen Liu
- · Replies 2 ·
Finding the Accelation Of A Body In Presence Of Frictions
- Navin
- · Replies 10 ·
What is the Index of Refraction of the Liquid in Thin Film Interference?
- rose427
- · Replies 4 ·
Solution: Plotting Mathematica Homework w/ Recursion Limit Error
- Ashley1nOnly
- · Replies 2 ·
Finding where an electron would be in equilibrium
- Abbie12998
- · Replies 4 ·
Distance traveled with linearly increasing kinetic energy
- FutureOption
- · Replies 19 ·
Distance traveled (DeltaD) and acceleration
- DracoMalfoy
- · Replies 3 ·
A and C collide with B inbetween; AB elastic, BC inelastic
- nomadreid
- · Replies 27 ·
How to find the expression for current and power in an inductor
- Master1022
- · Replies 12 ·
Solving for Angle to Destroy Rocket Launcher
- Idontgetphysics
- · Replies 8 ·
Percent composition of Silver (two naturally occurring isotopes)
- sp3sp2sp
- · Replies 1 ·
How Do You Calculate the Meeting Point of Two Stones Thrown from a Cliff?
- Jordan Jones
- · Replies 1 ·
Effect of density on downward rolling spheres
- Physicsterian
- · Replies 14 ·
Electric field of bent non conducting rod
- cookiemnstr510510
- · Replies 5 ·
Electric field of ring of charge/washer of charge/disk of charge
- cookiemnstr510510
- · Replies 9 ·
Morin's explanation about the work done by friction
- almarpa
- · Replies 7 ·
Calculate the mass when not hanging it in dynamometer
- Elzz
- · Replies 3 ·
Electric field above a disk that equals half the max electric field
- cookiemnstr510510
- · Replies 9 ·
Momentum equation and open channel flow
- fayan77
- · Replies 6 ·
How to reduce the integral equation for light deflection?
- Bishal Banjara
- · Replies 2 ·
Calculating total Coulomb force vector ?
- starstruck_
- · Replies 1 ·
Kinematics: find maximum height
- LifeMushroom
- · Replies 2 ·
Finding Force and work on a moving object
- Ltpenguin
- · Replies 18 ·
Electric field of concentric rings
- cookiemnstr510510
- · Replies 2 ·