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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Measuring temperature in a pressurized chamber with a thermocouple
- Faizi
- · Replies 2 ·
How Do I Calculate Work Done by Forces in Physics Problems?
- dark_angel
- · Replies 6 ·
Find Inertial Reference Frame Using Acceleration
- TyFelmingham
- · Replies 2 ·
Atwood's machine with accelerating pulley
- jungleismassiv
- · Replies 2 ·
Work Required to Empty Tank of Hot Chocolate
- ProBasket
- · Replies 2 ·
Fluid Mechanics and Bernoulli's principle
- apchemstudent
- · Replies 3 ·
Can Implicit Differentiation Be Used to Solve for dy/dx?
- KingNothing
- · Replies 7 ·
Double slit diffraction: why do maxima widths depend on slit width, not spacing?
- StonieJ
- · Replies 7 ·
Impulse needed to stop a 100kg mass at -25m/s and stopping time with 430N force
- shredmaster1013
- · Replies 6 ·
Power Needed to Accelerate 700kg Car from Rest
- johnnyb
- · Replies 4 ·
How Do You Solve These Integral Problems Using U-Substitution?
- EasyStyle4747
- · Replies 4 ·
Question regarding to magnetic field
- leolaw
- · Replies 2 ·
Charge on capacitor plates in RC circuit with two resistors
- NotaPhysicsMan
- · Replies 2 ·
Calculating Magnetic Field of a Conducting Loop Using Biot-Savart's Law
- formulajoe
- · Replies 4 ·
Does Heating a Frying Pan Change Its Mass?
- pinkie
- · Replies 2 ·
Electromagnetic radiation and Canadian Light Source
- kiwikiwi79
- · Replies 2 ·
Cyclist cycling in a perfect circle - find radius
- Woody11
- · Replies 2 ·
How does a transformer regulate power between its different sides?
- myself
- · Replies 2 ·
Mortgage with amorization period of 25 years BUT Y?
- aisha
- · Replies 4 ·
Horizontal force is needed to pull the sled
- vicervixen
- · Replies 4 ·
Proof of Convergence: Limit (n!)/(n^n) = 0
- tonebone10
- · Replies 2 ·
Which term should be chosen for u(x) in integration by parts?
- zanazzi78
- · Replies 5 ·
Factors affacting time period of pendulum
- shahrukh
- · Replies 3 ·
How Do FDTD, Finite Volume, and Finite Elements Differ?
- physmurf
- · Replies 7 ·
Work done by rotating mass in orbital decay
- UrbanXrisis
- · Replies 2 ·
Centripetal Force: Mass, Speed, Frequency, Radius
- naren11
- · Replies 2 ·
Linear system with complex eigenvalues: are my eigenvectors correct?
- stunner5000pt
- · Replies 2 ·
Uniform Circular Motion Confusion
- gokugreene
- · Replies 9 ·
Induced EMF in loop in magnetic field
- GingerBread27
- · Replies 2 ·
Quantum mechanics - angular momentum problem
- Nylex
- · Replies 3 ·
Does Air Resistance Increase with Speed Due to Collisions with Air Particles?
- only me
- · Replies 4 ·
Three derivatives: chain rule, implicit differentiation, and related rates cone problem
- sjaguar13
- · Replies 2 ·
Trig functions that i have to memorize?
- gillgill
- · Replies 3 ·
How fast will a car be moving at a certain point?
- vitaly
- · Replies 2 ·
Angular velocity maximum when rod with unequal end masses swings down
- flower76
- · Replies 4 ·
Solving dv/dt - (k/m)v² = g for air resistance
- $id
- · Replies 5 ·
Calculating internal resistance of a battery using V=IR
- JoakimvE
- · Replies 14 ·
Magnetic field from overhead power lines at 30m height
- leolaw
- · Replies 2 ·
Time of flight of an accelerated electron in a television tube
- dranger35
- · Replies 5 ·
How to calculate relative doppler shift
- Link
- · Replies 3 ·
Index of Refraction: Proving Rays Are Parallel
- figs
- · Replies 2 ·
How Does Rotating a Plane Mirror Affect the Angle of Light Deflection?
- figs
- · Replies 2 ·
How Does the Angle of an Incline Affect the Time of Descent?
- VooDoo
- · Replies 5 ·
Are there closed form solutions to the harmonic series?
- courtrigrad
- · Replies 2 ·
Angular momentum, torque, and circular motion homework
- mark9159
- · Replies 4 ·
Last hope = this forum (Math Physics Calc C)
- Fox
- · Replies 3 ·
AC current frequency, resistance, and power from sinusoidal current equation
- ShadowFX
- · Replies 3 ·
What is the Triganomic Identity for Simplifying Trig Expressions?
- lektor
- · Replies 2 ·
How Does Friction Affect Skateboard Performance and Design?
- Maltaethirion
- · Replies 2 ·
What is the combination of the safe?
- chjopl
- · Replies 2 ·
Calculating Voltage Across Capacitors in Series and Parallel
- NotaPhysicsMan
- · Replies 5 ·
Uncertainty of a 50g Ball's Position: What Does It Mean?
- jaidon
- · Replies 4 ·
Cauchy sequences in an inner product space
- Oxymoron
- · Replies 21 ·
Calculating Speed of Comet at Greatest Distance from Sun
- UrbanXrisis
- · Replies 2 ·
Tension in 3.14kg, 2m Radius Rope Spinning at 1 rad/sec
- biketar827
- · Replies 2 ·
How Do Newton's Laws Explain the Motion of a Boat When Stepping Off?
- IntellectIsStrength
- · Replies 8 ·
How Many Miles Must I Run to Burn Off My Meal's Calories?
- JasonL
- · Replies 2 ·
Solving for Charge Position from Flux and Gaussian Surface
- Alem2000
- · Replies 2 ·
Two trains leaving same station 500 km apart
- Tom McCurdy
- · Replies 9 ·
Egg carrier design for 2.5 inch cube, 20 foot drop
- parksobong
- · Replies 2 ·
How to Calculate Magnetic Field at a Point Near a Wire Using Biot-Savart Law?
- DeepThought
- · Replies 2 ·
Which direction does a conducting bar move when the switch closes
- Jacob87411
- · Replies 2 ·
Two Lense Problem: Solving A, B & C
- Jacob87411
- · Replies 2 ·
Finding current through a 2.00 ohm resistor with unknown battery voltage
- Winner
- · Replies 9 ·
Checking partial fractions integration with three examples
- shan
- · Replies 7 ·
How do you integrate the square root of cos³(x)?
- Player_13
- · Replies 33 ·
Projectile Problem With Athlete
- krypto
- · Replies 2 ·
How Do You Solve This Exponential Growth and Decay Algebra Problem?
- misskitty
- · Replies 12 ·
How Does Electromagnetic Induction Apply to Rotating Rods and Copper Loops?
- rocky811
- · Replies 2 ·
How do I find an unknown weight ?
- mushhhy
- · Replies 2 ·
Speed of object A overtaking object B from A's reference frame
- Pengwuino
- · Replies 6 ·
Sodium hydroxide neutralized by phosphoric acid
- Casandra_J
- · Replies 2 ·
Force of gravity between two objects
- pinkcarnations
- · Replies 4 ·
How Do I Calculate Uncertainty in Combined Measurements?
- scissors
- · Replies 2 ·
Calculating the Power and Impact of Black Body Radiation from the Sun
- scissors
- · Replies 3 ·
How Do I Solve These Challenging Definite Integrals?
- EasyStyle4747
- · Replies 6 ·
Disk with radiation pressure rotating from hinge equilibrium
- andrew410
- · Replies 2 ·
How Do You Calculate Self-Inductance of a Resistor in an A.C. Circuit?
- stevedave12
- · Replies 4 ·
Problem with electromagnetic waves
- andrew410
- · Replies 2 ·
Find the volume of the resulting solid
- ProBasket
- · Replies 2 ·
Integrals of sqrt (simple, but I am getting frustrated)
- Meghan
- · Replies 10 ·
How Do You Solve These Quadratic Equations in Real-Life Scenarios?
- TheShapeOfTime
- · Replies 6 ·
Finding tension in three cables supporting a 198N bird feeder
- wetcarpet
- · Replies 10 ·
Projectile Launch - Earth's Radius
- vworange
- · Replies 2 ·
Wave transmission and reflection at a lossy junction between two strings
- maverick280857
- · Replies 2 ·
How Do Microwaves Affect Water Temperature in Different Sized Containers?
- andrew410
- · Replies 2 ·
Induced EMF from Dropped Steel Beam: Physics Calculation
- waywardtigerlily
- · Replies 4 ·
Balloon FreeBodyDiagram Question
- faylihn
- · Replies 4 ·
Physics Hwk. Problem: Frictional Force
- shawonna23
- · Replies 2 ·
Finding Max and Min in Oscillating LRC Circuit
- Quipzley
- · Replies 2 ·
What is the proof for the existence of a diffeomorphism between A and B?
- AKG
- · Replies 4 ·
Proving (1-cos2x+sin2x)/(1+cos2x+sin2x) = tanx
- scorpa
- · Replies 14 ·
Finding Equilibrium Angle in Uniform Electric Field
- z_sharp
- · Replies 2 ·
What Is the Correct Tension in Each Wire Holding Up the Light Fixture?
- wetcarpet
- · Replies 3 ·
Finding current in 8 ohm resistor and applying Kirchhoff's laws to DC circuits
- physpopib
- · Replies 2 ·
Understanding Simple Harmonic Oscillators: Phase Constant Explained
- Rave Grrl
- · Replies 2 ·
Does the Integral Diverge as a Tends to Infinity?
- quasar987
- · Replies 8 ·
Solving Angular Momentum Problem: Why Answer Differs from Book
- UrbanXrisis
- · Replies 2 ·
Conservation of momentum of a rocket
- Felix83
- · Replies 3 ·
Solving z^4 + 75 = 28z^2
- mathzeroh
- · Replies 10 ·