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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Finding zeros and factoring 32x^4-28x^3+113x^2-112x-60
- NickK
- · Replies 2 ·
Maxwell equations and Poynting vector for plane EM waves
- AXIS
- · Replies 11 ·
Quantum harmonic oscl. half space potential
- YZer
- · Replies 2 ·
Is my solution right or wrong ?
- Sanosuke Sagara
- · Replies 5 ·
Calculating Ball Velocity with Unit Vectors
- UrbanXrisis
- · Replies 3 ·
Solving Package A's Motion w/ Newton's 3rd Law
- FancyNut
- · Replies 4 ·
Drawing FBD for object inside elevator
- jhson114
- · Replies 3 ·
Adding/Subtracting Vectors - Resultant Magnitude Change?
- zero1520
- · Replies 2 ·
Stopping force for 850kg car moving at 110km/h
- physicsgrade11
- · Replies 5 ·
Calculating Relative Speed in One-Dimensional Collisions
- Pythagorean
- · Replies 3 ·
Do These Solutions Accurately Solve Basic Momentum Problems?
- justagirl
- · Replies 2 ·
Momentum and Conservation of Momentum
- PhysicPsychic
- · Replies 2 ·
Bullet fired into block attached to spring - finding impact speed
- doxigywlz
- · Replies 8 ·
How Long Will It Take for the Top Block to Slide Off the Bottom Block?
- caseys
- · Replies 2 ·
Energy problem on bungee jumper
- decamij
- · Replies 4 ·
Magnetism: Magnetic force between wires
- vsage
- · Replies 2 ·
How Do You Calculate Total Distance with Different Speeds?
- SpeedeRi2
- · Replies 4 ·
Finding Velocity and Maximum Height in Projectile Motion
- SpeedeRi2
- · Replies 8 ·
How long does it take for a car to travel 1200 km at a speed of 50 mph?
- roger
- · Replies 2 ·
Spring oscillation with friction
- mmht579
- · Replies 2 ·
Deriving angular acceleration for a mass-pulley-disc system
- mathlete
- · Replies 9 ·
Conservation of energy of speeding truck
- tre2k3
- · Replies 10 ·
Solving 24 cosh x + 16 sinh x = 2500
- john425
- · Replies 2 ·
How Does Energy Transfer Affect Temperature and Work in Gas Processes?
- andrew410
- · Replies 2 ·
What Is the Maximum Force to Prevent the Top Block from Slipping?
- tony873004
- · Replies 2 ·
When should a coastguard cutter start out to intercept a ship?
- LondonLady
- · Replies 5 ·
Finding the Center of Mass of a Hollowed Out Sphere
- Blingo
- · Replies 7 ·
How Is the Coefficient of Kinetic Friction Calculated in a Spring Block System?
- justinbaker
- · Replies 2 ·
Help proving a grade 12 geometry assignment
- ruthless
- · Replies 9 ·
Calculating Forces in Static Equilibrium: Solving for the Force on Bolt O
- Addie
- · Replies 3 ·
Don't understand with the question
- Sanosuke Sagara
- · Replies 5 ·
Prove Limit n^(1/n) = 1 as n->oo
- b0mb0nika
- · Replies 4 ·
Physics Puzzle: Estimating Rebound Speed of a Basketball and Baseball Collision
- tofani
- · Replies 2 ·
Visual Basic program to calculate 4x4 determinants efficiently
- Shahil
- · Replies 10 ·
Angular acceleration/tangential velocity
- buffgilville
- · Replies 2 ·
Algebraic Vectors - Calculating Unit Vectors and Magnitudes
- dekoi
- · Replies 5 ·
Motion of Charged Particle in a Magnetic Field
- SoberSteve2121
- · Replies 2 ·
Integral of exp(x)*sqrt(5-cos(x)) | Hard
- relativitydude
- · Replies 3 ·
How Does Halving Friction Affect the Speed of a Brick Sliding Down a Plank?
- meh6287
- · Replies 2 ·
How Much Force Is Needed to Overcome Static Friction and Move a Crate?
- tony873004
- · Replies 2 ·
OUNT OF ENERGY LOST IN COMPTON SCATTERING EXPERIMENT
- Bobster
- · Replies 4 ·
Calculating Force Required to Lift Box at 8 m/s^2
- Help_Me_Please
- · Replies 3 ·
Minimal polynomial and diagonalizability of two operators
- AKG
- · Replies 5 ·
Can the Law of Conservation of Energy Solve This Rolling Ball Problem?
- guru
- · Replies 2 ·
Tension, kinetic friction, and two blocks
- FIONEX
- · Replies 2 ·
Solve Linear Algebra Questions: Matrices, Transposes, and More!
- nycxfalcon
- · Replies 3 ·
Light bulb brightness when iron rod enters and leaves solenoid
- JamesL
- · Replies 2 ·
Simple problem, but having a bit of trouble
- ramin86
- · Replies 7 ·
Conservation of energy of a truck problem
- tre2k3
- · Replies 6 ·
Seven kinematics problems with acceleration and free fall
- Stripe15
- · Replies 2 ·
Why are electric field lines perpendicular to equipotential lines?
- phy
- · Replies 2 ·
How Far Does a Block Travel Up an Incline Before Stopping?
- pulau_tiga
- · Replies 2 ·
Can You Tackle This Tricky Definite Integral Challenge?
- logicalman
- · Replies 3 ·
A number of n students attend the lecture of probabilities
- dionys
- · Replies 2 ·
Head-on collision with 4.5 kg and 11 kg objects
- TraceBusta
- · Replies 2 ·
Not sure where to start(momentum problem, I think)
- DLxX
- · Replies 4 ·
Free Willy 2nd thread but just foudn the school forum :P sry.
- perpetual-burn
- · Replies 2 ·
Exploding object (momentum problem)
- TraceBusta
- · Replies 2 ·
What Is the Maximum Work a Carnot Engine Can Perform?
- mlee
- · Replies 2 ·
Elastic collision between pendulum and object on table
- Dracovich
- · Replies 1 ·
Collision problem with a spring
- PinkDaisy
- · Replies 2 ·
Torque needed to accelerate Earth
- GingerBread27
- · Replies 3 ·
Finding electric field from force balance with angled tension
- a_ng116
- · Replies 3 ·
What is the Proof for the Bessel Differential Equation Solution?
- DivGradCurl
- · Replies 13 ·
Inverse of the natural logarithms
- Wingman
- · Replies 6 ·
Proving the sequence a₁=1, aₙ₊₁=1/5(aₙ)²−1 is contractive
- Ed Quanta
- · Replies 2 ·
Calculating Revolutions and Speed Reduction of a Flywheel
- mini670
- · Replies 6 ·
How Does an Ideal Monatomic Gas Cycle Operate?
- mlee
- · Replies 1 ·
Calculating Tow Rope Force for Water-Skiing
- DOMINGO79
- · Replies 2 ·
Disk on conveyor belt reaching constant angular velocity
- jjiimmyy101
- · Replies 2 ·
Finding Tangential Acceleration
- GingerBread27
- · Replies 2 ·
Solving calculus midterm without tan addition formula
- toosm:)ey
- · Replies 9 ·
Linear speed and centripetal acceleration of a bicycle chain
- shawonna23
- · Replies 2 ·
Physics Hwk.Problem:Rotational Kinematics
- shawonna23
- · Replies 2 ·
Is radial acceleration at Earth's equator the same as g?
- UrbanXrisis
- · Replies 11 ·
What is the Domain and Range of a Function with Given Constraints?
- preet
- · Replies 6 ·
What is the Velocity of the Center of Mass in a Proton-Carbon Collision?
- envscigrl
- · Replies 2 ·
Mirror height to reflect bulb light onto right wall
- physicsismydaddy
- · Replies 2 ·
Matt's Momentum After Jumping from Skateboard
- guru
- · Replies 2 ·
How Do You Find the Transfer Function of an Inductor-Resistor Circuit?
- GTdan
- · Replies 2 ·
Solving for Tension: 3kg Puck's Angular Momentum on Frictionless Table
- guru
- · Replies 2 ·
How Is the Initial Velocity of a Horizontally Kicked Ball Calculated?
- UrbanXrisis
- · Replies 7 ·
Calculating Work to Lift Kite String from Ground: A Puzzle
- sinas
- · Replies 3 ·
Rubber-band powered toy airplanes
- who
- · Replies 3 ·
Calculate Max Speed of Rock Whirled on String: 21 N Tension
- Naeem
- · Replies 2 ·
Calculating Position of Summit on a Map
- polarized
- · Replies 2 ·
Solving 2D Collision Problems with Mass and Speed
- joej
- · Replies 3 ·
Cannon hitting a target 2000m away and 800m up
- UrbanXrisis
- · Replies 11 ·
What Changes if the Earth was a Cube
- JimmyRay
- · Replies 9 ·
Work done by force on moving particle
- PinkDaisy
- · Replies 2 ·
Elastic Collision: Who Experiences Larger Accel?
- justagirl
- · Replies 4 ·
Need Ideas for a Physical Science or Math Project for Intel ISEF?
- delton
- · Replies 4 ·
Multiple mass-spring-damper system
- Jamesss
- · Replies 3 ·
Calculating Potential Inside a Uniformly Charged Sphere
- philipc
- · Replies 6 ·
Proving f(n) = O(log n) with Induction
- EvLer
- · Replies 2 ·
Calculating Jet Aircraft Velocity: Trig Method vs Actual Result Explained
- ms. confused
- · Replies 2 ·
Solving a Jet Aircraft Velocity Problem: Understanding and Correcting Mistakes
- ms. confused
- · Replies 3 ·
Electric Flow through a Cylinder Without Bases
- ori
- · Replies 3 ·