Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Time and final velocity for shoe dropping 75 m
- Kiwi
- · Replies 6 ·
Using the Galilean transformation and classical velocity addition
- stunner5000pt
- · Replies 3 ·
Uniform Circular Motion and wheel revolutions
- Parth Dave
- · Replies 25 ·
Calculating Average Velocity and Forces on an Inclined Plane"
- buffgilville
- · Replies 3 ·
Solve Physics Problem: 500m from Safety of Space Craft, 11.32min Air Left
- antiflag403
- · Replies 5 ·
Calculate charge on a body(in Coulombs)
- HurricaneJesus
- · Replies 5 ·
When to use sin vs cos in conical pendulum tension equations?
- saltrock
- · Replies 2 ·
Questions concerning, logs, rational funtions, and trig.
- EasyStyle4747
- · Replies 3 ·
How do I solve a surface charge problem for a cylindrical drum?
- pulser45
- · Replies 2 ·
Wagon velocity after child jumps off
- antiflag403
- · Replies 9 ·
Vector Element Problem: Solving for Components of C in A - B + 3C = 0
- ramin86
- · Replies 3 ·
How Long Was the Kangaroo in the Air?
- Amber
- · Replies 9 ·
Motorboat displacement and velocity problem with two legs
- swingkids
- · Replies 4 ·
Understanding Vector Addition: 2 Forces with Same Magnitude F
- cb
- · Replies 2 ·
How Long for an Electron to Move 1cm in a Silver Wire?
- GreenDinos
- · Replies 2 ·
Calculating Tension in a Telephone Wire: Physics Problem Help
- sisigsarap
- · Replies 6 ·
A Quantum question came with The GRE
- quantumworld
- · Replies 3 ·
Simple physics(acceleration) problem
- ucdawg12
- · Replies 6 ·
Easiest way to solve projectile motion problems?
- EaGlE
- · Replies 2 ·
Proving U1=U2 When U1, U2, W are Subspaces of V
- gravenewworld
- · Replies 4 ·
Block on inclined plane: angle, free body diagram, and average velocity
- buffgilville
- · Replies 2 ·
How Do You Calculate the Components of a Superhero's Displacement?
- motionman04
- · Replies 25 ·
Proving f(L) = L for a sequence of iterates and finding fixed points
- DivGradCurl
- · Replies 2 ·
Finding the angle of a BANKED curve
- rocky811
- · Replies 4 ·
Finding constants a and b when curl and divergence of electric field are both zero
- galipop
- · Replies 8 ·
How many waves pass a boat in 55 seconds?
- puregoodboi
- · Replies 9 ·
Factorising x^3 + 216 to Include (x + 6)
- Alkatran
- · Replies 4 ·
How to get the horizontal asymptote.
- UrbanXrisis
- · Replies 19 ·
How Far Will a Bungee Cord Stretch During a Jump?
- coglon
- · Replies 3 ·
Trouble with some vector problems
- ramin86
- · Replies 5 ·
Projectile Motion Analysis: Solving for Victim's Fall from 4th Story Window
- Parth Dave
- · Replies 2 ·
Restaurant meal combinations and garage door button codes
- Juntao
- · Replies 7 ·
Monotonic Sequence Theorem Question
- DivGradCurl
- · Replies 2 ·
Average velocity for a car with three distance and speed pairs
- kimikims
- · Replies 5 ·
How Does Gravitational Force Vary Between Two Planets with Identical Radii?
- pinky2468
- · Replies 4 ·
How do I calculate the tension and speed of a tether ball on a pole?
- TraceBusta
- · Replies 11 ·
Find the magnitude of the trucks horizontal component of displacement
- kimikims
- · Replies 2 ·
Find Coefficient of Friction (μ) on Cylinder with Rope and Cat/Mice Forces
- Super_Leunam
- · Replies 2 ·
Complex Analysis: Nonlinear system
- arunma
- · Replies 4 ·
What Is the Net Force on Each Side of a Heated Sealed Box?
- jin
- · Replies 2 ·
Low Level Physics Problem 1D Motion
- Maskkkk
- · Replies 6 ·
How do I solve for r(theta) in central force motion with r''=(k^2)*r?
- DarkEternal
- · Replies 2 ·
Main Operator in Formula: Tribar or ~?
- steersman
- · Replies 5 ·
Can Microsoft Word or Excel Set Up Hot Keys for Greek Symbols and Subscripts?
- Whatupdoc
- · Replies 9 ·
What is the Acceleration and Direction of an Elevator Based on Scale Reading?
- Soaring Crane
- · Replies 2 ·
How to Find the Coefficient of Friction for a Pulled Sled?
- pinky2468
- · Replies 8 ·
Solving Mutually Perpendicular Vector Components
- CinderBlockFist
- · Replies 13 ·
Lots of Trouble With Free-Fall
- evilempire
- · Replies 4 ·
Helicopter rotor has four blades
- Whatupdoc
- · Replies 2 ·
Density Calculations with Examples: Finding Density from Mass and Volume
- faisal
- · Replies 2 ·
Possible that a fabric can be used as a diffraction grating
- franz32
- · Replies 2 ·
Will a 36 N force overcome static friction on a 45 N block?
- pinky2468
- · Replies 5 ·
Comparing torque from a doorstop to torque from opening a door
- jazjackson12
- · Replies 4 ·
Proving Peskin and Schroeder equation 2.33 for momentum operator
- Norman
- · Replies 3 ·
Probability: Arrangements in Circle
- futb0l
- · Replies 2 ·
Why Does Cutting the String Change the Tension Ratio in a Pendulum?
- daveed
- · Replies 2 ·
Looking for tutorials on Gauss's law
- SpatialVacancy
- · Replies 2 ·
Solving Projectile Motion: Finding Initial Velocity and Distance
- physics_challenged
- · Replies 5 ·
Can Two Vehicles Avoid Collision in a Wet Tunnel?
- 3.14159265358979
- · Replies 5 ·
Solving Addition of Forces Involving Adults and Child
- underthebridge
- · Replies 10 ·
Solving Velocity Problems on the Moon
- member 5645
- · Replies 2 ·
What is the magnitude of the car's displacement
- Catgirl-Pink
- · Replies 2 ·
How Do You Solve a Projectile Motion Problem in Physics?
- quality101
- · Replies 2 ·
How does a fractional exponent move to the front in logarithms?
- singleton
- · Replies 2 ·
What Is the Electric Field Near Charged Objects?
- kristi.lynn
- · Replies 5 ·
Calculating Force and Acceleration in a Bucket Pulley System
- Fused
- · Replies 15 ·
Solve a Physics Problem: Normal Force Calculation for a 38.0kg and 17.0kg Box
- lmf22
- · Replies 3 ·
Finding displacement vector components from base camp to mountain summit
- physicsss
- · Replies 7 ·
Calc II substitution integration
- kdinser
- · Replies 7 ·
Fettucini bridge design for 3 kg load
- RUP2006
- · Replies 2 ·
Equation of a line from Parametric equations
- Spectre32
- · Replies 3 ·
Why am I getting negative tension values in a three-force equilibrium problem?
- Electro
- · Replies 3 ·
Solving the Traffic Light Overtake Puzzle
- tumbler19
- · Replies 2 ·
To Swim From A to B, U_s = 1.35 km/h
- COCoNuT
- · Replies 8 ·
Why does sin(t+2π) equal sin(t) on the unit circle?
- haribol
- · Replies 10 ·
Man Throws Rock Off Cliff - Solving Physics Problem
- Monsu
- · Replies 7 ·
Average velocity of jumping into car
- tony873004
- · Replies 4 ·
Equation of Perpendicular Line at Origin
- Przybysz
- · Replies 2 ·
Matching objects to size scales in powers of 10
- Alkatran
- · Replies 3 ·
How Do You Calculate Work Done by a Force Field Along Different Paths?
- ossito_the-diracian
- · Replies 2 ·
How Does Integration by Parts Simplify \(\int 8x^2 \cos(2x) \, dx\)?
- Whatupdoc
- · Replies 7 ·
Find x0 in Cosinus and Sinus Equations
- Dr-NiKoN
- · Replies 13 ·
Magnetostatic Problems: Calculating Inductance and Loop Internal Inductance
- kelvintc
- · Replies 3 ·
Understanding Significant Figures in Math
- Caldus
- · Replies 11 ·
Plot the lines of the electric field between a small point charge
- galipop
- · Replies 4 ·
Calculus-Volume of tetrahedron and cross product
- GingerBread27
- · Replies 2 ·
How Do You Calculate the Average Acceleration of a Dragster?
- Omid
- · Replies 6 ·
Finding the smallest angle between Vectors
- ppacc
- · Replies 2 ·
Freefall Acceleration of a Raindrop
- VinnyCee
- · Replies 3 ·
Solving Partial Fractions Integrals
- Whatupdoc
- · Replies 10 ·
How Does Projectile Motion Determine Firefighting Hose Angles?
- EaGlE
- · Replies 2 ·
Two cars on circular tracks: why same centripetal acceleration at equal speeds?
- Shay10825
- · Replies 21 ·
How Does Potential Energy from Lightning Accelerate a Car?
- alonzo
- · Replies 2 ·
What angle between two equal vectors makes A+B larger than A-B by factor n?
- Bertuzzi
- · Replies 8 ·
Can Velocity Reverse Direction with Constant Acceleration?
- spdrxc
- · Replies 2 ·
What are some recommended physics programs for TI calculators?
- iamhumble
- · Replies 4 ·
Gravity force on Jupiter problem
- Whatupdoc
- · Replies 5 ·
What is the value of this distance up the slope?
- cdhotfire
- · Replies 27 ·
Force pulling a box at 25° over 12 m with friction
- punjabi_monster
- · Replies 10 ·
How to Calculate Error in a Pendulum Clock at Different Temperatures"
- squanto
- · Replies 2 ·