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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What does it mean vector in the positive dirction of the y-axis.
- tebes
- · Replies 10 ·
What is the distance the backpacker walked east?
- Coney
- · Replies 4 ·
What smallest value of kinetic friction
- fizzex
- · Replies 4 ·
Space Shutte Centripetal force problem
- mayla1190
- · Replies 2 ·
Calculating Electric Flux Through a Rectangle
- vegeta_ban
- · Replies 3 ·
What Is the Force of Tension Between Mass A and B?
- canadiankid
- · Replies 1 ·
Hohmann Orbit, PLanet Transfer (Energy)
- cirrith
- · Replies 1 ·
Finding Work from the Derivative of Power
- Calam1tous
- · Replies 1 ·
Kinetic friction coefficient for hay sliding on road
- Singdasorrow
- · Replies 5 ·
Maximum Current in AC Circuit Problem
- Sandbox.WeC
- · Replies 2 ·
Dogs pulling on a post vector probelm
- kirby27
- · Replies 9 ·
Tied mass with angular velocity
- Hafid Iqbal
- · Replies 1 ·
The angle that A makes with the positive x axis
- Deading
- · Replies 3 ·
What Are Emission and Absorption in Physics?
- J-Girl
- · Replies 5 ·
Instantaneous current through an area
- Smazmbazm
- · Replies 2 ·
Maximum Rotational Speed for Bar with Masses on Ends
- usamo42j
- · Replies 2 ·
Standing waves and variable frequency
- knowNothing23
- · Replies 7 ·
Initial velocity and maximum height from projectile range and time
- loopsnhoops
- · Replies 5 ·
Magnitude of normal force question
- JadeLove
- · Replies 5 ·
Thermodynamics Question. Determine Quality of Two Phase Ammonia.
- kdhutchi
- · Replies 1 ·
Train and car kinematics with relative motion over 28 seconds
- pharmacy_boy
- · Replies 4 ·
Eigenvalues and eigenvectors, 3x3 matrix using Remainder and Factor Theorem
- Jowin86
- · Replies 3 ·
Problems with velocity/acceleration involving clock arm
- Combine
- · Replies 6 ·
Force on the blocks and its acceleration
- theunloved
- · Replies 9 ·
Is the axis of rotation a line or a point?
- starburst
- · Replies 1 ·
Calculating Minimum Horizontal Force for Two Interacting Blocks
- Destrio
- · Replies 16 ·
Calculating Velocity of a Ball Projected Upwards
- Fluorescent
- · Replies 1 ·
Why does mixing yellow and blue pigment give green?
- JSGandora
- · Replies 4 ·
Carnival ride, Friction and Normal Forces
- Pyrowolf
- · Replies 2 ·
Force from power dissipated in road and wind resistance at 75 km/hr
- jacksondwrd
- · Replies 1 ·
Calc Angle of Rope Swing for 82kg Man, 1450kg Car
- ganondorf29
- · Replies 6 ·
Central force motion and particles
- cardamom
- · Replies 3 ·
Maximum power when torque is 0 and angular velocity is 0
- Ortix
- · Replies 5 ·
Projectile Motion Problem: Finding Velocity Direction at Impact
- EHogeberg
- · Replies 2 ·
C.O.P/Refrigerator (Finding Temp)
- HugoPang1
- · Replies 2 ·
How to find energy if mass and height is given?
- Echy14
- · Replies 2 ·
Work done by Tension Ques: Friction 0.5n
- naman0804
- · Replies 3 ·
[Very Easy] Factors, Divisors and Mechanical Advantage
- Wolfowitz
- · Replies 3 ·
Conservation of Energy in Gravity
- college-kid
- · Replies 2 ·
Using Triple integrals to solve torque around a point.
- BSJ90
- · Replies 6 ·
Finding electric field via a given potential
- DannyPhysika
- · Replies 16 ·
Solving for Flux. Basic Calculus question.
- kdhutchi
- · Replies 4 ·
Period of a conical pendulum with 16 kg mass
- SnowboardNerd
- · Replies 6 ·
How to choose and use the three kinematic equations
- alienwareufo
- · Replies 5 ·
Motion in accel. frames - water in turntable
- aero_zeppelin
- · Replies 3 ·
Maximum tension before block slides on cart moving up ramp
- Croix
- · Replies 5 ·
Why is (B.y) for the y-component negative for sin30?
- yardy_genius
- · Replies 5 ·
Work density / heat density question
- eurekameh
- · Replies 1 ·
Newton's Laws with a Pulley, with tension, Force
- mandragora
- · Replies 1 ·
What is the Charge Enclosed in a Sphere with Proportional Charge Density?
- warfreak131
- · Replies 11 ·
What Is the Net Force on an Atwood's Machine Under Various Conditions?
- Crusaderking1
- · Replies 7 ·
Air friction modeled as a differential equation
- DoubleWs
- · Replies 1 ·
Newtons Laws - Coefficient of Friction problem
- ThatStormy
- · Replies 4 ·
Principles of Potential Energy in a Multiparticle System
- Discovery09
- · Replies 1 ·
Force needed to keep John and Brian from sliding on a massless cube
- BarneyStinson
- · Replies 5 ·
How Does Relativistic Speed Affect Photon Wavelength Measurement?
- ivykink
- · Replies 2 ·
Finding the angle of a car moving on a circular track
- Singdasorrow
- · Replies 12 ·
Electric potential across a cross sectional cylinder
- Londonfish
- · Replies 2 ·
Walking speed and moving sidewalk at airport
- Roscoe1989
- · Replies 5 ·
Potential Difference in a van der graaff generator
- JNBirDy
- · Replies 2 ·
Find Frictional force on a block
- trivk96
- · Replies 1 ·
How would the magnetic field of a solenoid change if it used AC current
- Cade
- · Replies 3 ·
Potential difference inside a spherical shell
- warfreak131
- · Replies 1 ·
Kinetic frictions, pulleys, and Newton's third law
- sdoi
- · Replies 1 ·
How Does Entropy Change in a Reversible Cooling Process?
- Liquidxlax
- · Replies 2 ·
Finding minimum distance to stop using friction and velocity
- trivk96
- · Replies 7 ·
Projectile motion of a Missile relative to ground
- jhong213
- · Replies 1 ·
Work done by friction on block in vertical circle
- kottur
- · Replies 12 ·
Why does a bar magnet always have both poles when cut?
- Celluhh
- · Replies 9 ·
Transformer, AC Source, and a Battery
- drumercalzone
- · Replies 3 ·
Force and motion in Newton's laws
- theunloved
- · Replies 2 ·
How Do You Calculate Acceleration at Different Times from a Velocity-Time Graph?
- JadeLove
- · Replies 3 ·
Calculate Time Difference: Tim vs. Rick Running and Walking
- hieule
- · Replies 3 ·
Measurements - relation between mass and size
- Angelsharma
- · Replies 1 ·
Elliptical orbit, velocity at aphelion
- xxfallacyxx
- · Replies 5 ·
How fast would Earth need to spin before we fall off at latitude 53?
- rugby123
- · Replies 1 ·
Tension problem - bead sliding on a string attached to a pole
- chelsea526
- · Replies 3 ·
Solving Heat Transfer Problems with Boundary Conditions
- temaire
- · Replies 6 ·
Newton's laws,solving for tension (smthn wrong with my work)?
- JadeLove
- · Replies 4 ·
High jumper's height in Mexico City vs Tokyo with lower gravity
- Edthetoad
- · Replies 7 ·
Tension and friction on an angle
- sdoi
- · Replies 5 ·
Initial Velocity and Inclined Plane
- crandt
- · Replies 2 ·
Finding an expression for the maximum tension?
- JadeLove
- · Replies 1 ·
Two pulleys and same masses - velocity?
- riverguardian
- · Replies 5 ·
How to Derive an Error Equation for Angle to Radian Conversion?
- ball215
- · Replies 1 ·
Calculating air density from a barometer?
- toroid
- · Replies 1 ·
Rectilinear motion of a particle
- Johnson
- · Replies 2 ·
Truck/Box - Accel, distance, time
- mybrohshi5
- · Replies 8 ·
Uniform Circular motion problem,
- naham1866
- · Replies 6 ·
Compare final T of reversible/irreversible equations
- accountkiller
- · Replies 2 ·
Mechanical Advantage of a Lever
- Wolfowitz
- · Replies 4 ·
Rutherford and nuclear transmutation
- Synxervious
- · Replies 1 ·
Integrating velocity equation to find position?
- Cryptologica
- · Replies 2 ·
Create an expression for a rotating plate
- apierron
- · Replies 8 ·
Calculating Distance, Speed, and Displacement in a Skidding Car
- layaya
- · Replies 1 ·
Inclined Plane Question. What force is necessary to keep the box from sliding?
- DavidAp
- · Replies 2 ·
How Can You Tell Which Gas Cylinder is Full in Space?
- lab-rat
- · Replies 3 ·
What is the runner's average velocity on a circular track?
- chawki
- · Replies 12 ·
Projectile motion with aerodynamic drag force
- IceD
- · Replies 3 ·