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 a parametric equation for y = f(x)
- AngelofMusic
- · Replies 5 ·
Angular momentum and conservation of momentum problems
- lucianb
- · Replies 2 ·
What are possible subtopics for a physics extended essay on firearms?
- Vodka
- · Replies 3 ·
Looking for d=rt or something else?
- holly
- · Replies 2 ·
How to find capacitance in a circuit with a resistor and a charging capacitor?
- nautica
- · Replies 2 ·
Potential energy of ball on staircase steps
- holly
- · Replies 14 ·
Finding centripetal acceleration for a car on a curved road
- MYS9
- · Replies 2 ·
What is the Net Force on a Rock Thrown Vertically Into the Air?
- holly
- · Replies 2 ·
Why Does a Skydiver's Acceleration Differ from Calculations?
- holly
- · Replies 2 ·
How Does Temperature and Applied Force Affect Stress in Different Materials?
- ShawnD
- · Replies 2 ·
M1 Mechanics Help: Solve "P" Hitting Floor After String Breaks
- Darren
- · Replies 2 ·
Calculating the Distance a Box Moves on a Moving Belt Without Slipping
- Xamfy19
- · Replies 5 ·
Tension of Ropes Supporting a 50kg Box
- jjiimmyy101
- · Replies 8 ·
Blood temperature drop from heat loss and heating water calculations
- moonlit
- · Replies 2 ·
Impulse of bungee jumper slowing down
- holly
- · Replies 8 ·
Solve X Equation for Sum of Forces in X/Y Direction
- Rebel_Yell
- · Replies 2 ·
Calculating Electric Field of a Solid Sphere with Uniform Charge Density
- paul11273
- · Replies 2 ·
Prove to my teacher that i know how to use physics forums
- Addison
- · Replies 16 ·
Calc Question: Find Side Length of Cut Squares for 1575 cm^3 Box
- Kuja
- · Replies 5 ·
Direct Current Circuits and Kirchoff's rules
- biglake
- · Replies 2 ·
How Do Tangent Lines Relate to Calculus Problems?
- ACLerok
- · Replies 8 ·
How Do You Calculate Acceleration and Forces in a Frictionless System?
- MalusIgnis
- · Replies 2 ·
Can Capacitors Be Combined to Fix a Stereo Amplifier's Power Supply?
- yanyin
- · Replies 2 ·
Calc Change in Internal Energy of Boiled Water
- cowgiljl
- · Replies 3 ·
Why must equipotential surfaces be perpendicular to electric field lines?
- paul11273
- · Replies 2 ·
How Is Acceleration Calculated with Force and Friction Involved?
- badboyben03
- · Replies 2 ·
Integrating 1/(x^1/3 + x^1/4)
- stoffer
- · Replies 2 ·
What Intensity Is Needed for a 194 dB Sound Level?
- tandoorichicken
- · Replies 2 ·
Air molecules released from pressurized tank and perfume diffusion time
- merrymanjane
- · Replies 4 ·
Launching a homemade car 10 meters with a 2kg weight
- ihatesigningup
- · Replies 7 ·
Basic question regarding triple point of water and physical properties of water
- Claire84
- · Replies 9 ·
Reverification of an answer Doc Al
- cowgiljl
- · Replies 2 ·
How much has the cable stretched?
- cowgiljl
- · Replies 2 ·
Batteries and Charging Capacity
- AshleyF708
- · Replies 24 ·
Solve Lorentz Eq for Charged Particle Motion in EM Field
- mindcircus
- · Replies 6 ·
Stone is dropped from the top of a cliff
- Alice
- · Replies 5 ·
Coupled Forced Oscillators- Small Question-
- Sol_Solved
- · Replies 2 ·
Finding α⁴ + β⁴ and maximum area of rectangle inscribed in circle
- mcintyre_ie
- · Replies 9 ·
Which Direction Will the Cup Slide on a Dashboard During a Turn?
- stoffer
- · Replies 2 ·
How Do You Solve Collision Equations for Final Velocities?
- Super6
- · Replies 2 ·
Calculate for each field the work done in moving a particle
- jlmac2001
- · Replies 2 ·
Which Method Best Solves for Final Velocity of Object B After Collision?
- Seif
- · Replies 2 ·
Iron block suspended in equal-arm balance with water submersion
- tandoorichicken
- · Replies 2 ·
Archimedes principle and wooden block
- tandoorichicken
- · Replies 2 ·
Find the angle that the total acceleration of the car makes
- Maxwell
- · Replies 2 ·
Clausius-Clapeyron Equation, and Cubic Unit Cells
- Silverious
- · Replies 4 ·
Centripetal acceleration and tension for a 6.50-kg hammer on a 2.0-m chain at 1.1 rev/s
- badboyben03
- · Replies 5 ·
Prove that if P is the midpoint of LM and PL=PK=PM, then angle LKM is 90°
- ruud
- · Replies 2 ·
Where to find resources for making telescopes
- Question
- · Replies 2 ·
Solve Wood Block Collision: 5.5g Bullet, 22.6g Wood, 1.5m Post
- CoolBlueR
- · Replies 2 ·
How far away must an oncoming car be for safe passing?
- matrix_anki
- · Replies 2 ·
Calculating Efficiency of a Heat Engine: Converting Celsius to Kelvin
- cowgiljl
- · Replies 4 ·
What is the temperature change of blood?
- moonlit
- · Replies 3 ·
What type of movement does a conductor bar experience in a magnetic field?
- ismael18
- · Replies 12 ·
Calculating Tension in a Stretched Rope: A Harmonic Wave Example
- Rockdog
- · Replies 2 ·
Finding x(t), v(t), and a(t) from a linear velocity graph
- Pepsi24chevy
- · Replies 5 ·
Electric Field Required to Accelerate Electrons in Television Tube
- pringless
- · Replies 2 ·
Why Does Work Done by Lightning Bolts Have Different Signs?
- Magna1
- · Replies 2 ·
Where can I find resources to learn about electricity
- Toxic
- · Replies 2 ·
Calculating Induced EMF in a Changing Magnetic Field
- Moxin
- · Replies 4 ·
Electric field outside conducting sphere with cavity and point charge
- AngelofMusic
- · Replies 3 ·
Kinetic theory problems: raindrops, gas speeds, and adiabatic expansion
- tido_29
- · Replies 1 ·
What is the tension in a string for an object in non-uniform circular motion?
- svtec
- · Replies 4 ·
Thermo Dynamics Help: Solving for Final Temperature and Total Mass of Ice Melted
- rdn98
- · Replies 2 ·
Find All Solutions of the Congruence
- wubie
- · Replies 2 ·
What work was done by the electric force on particle?
- eku_girl83
- · Replies 2 ·
Solving Two Physics Problems: Force and Kinetic Friction
- KingNothing
- · Replies 2 ·
How Do You Calculate the Sinking Depth of Wood in Water?
- zeronem
- · Replies 2 ·
What is the equation for calculating change in momentum in physics?
- DeBbIeFrIcKeNrAy
- · Replies 2 ·
How Do I Solve These Physics Vector Problems?
- hyen84
- · Replies 2 ·
Calculating Electric Field Strength from Kinetic Energy and Displacement
- eku_girl83
- · Replies 2 ·
Find the initial speed of the bullet
- vangjo
- · Replies 2 ·
Electric Fields, Insulators, Conductors
- Aerospace
- · Replies 4 ·
Calculating Electrons for 4.00nC Negative Charge
- Magna1
- · Replies 3 ·
Conceptual question over pendulum
- jperez94
- · Replies 2 ·
Capacitors connected in parallel
- nautica
- · Replies 3 ·
Predicting Water Height as a Function of Drain Time: Hydrodynamics Lab Inquiry
- formulajoe
- · Replies 3 ·
Surface integral of curl A over paraboloid z=1-x²-y²
- mindcircus
- · Replies 2 ·
Probably an easy problem but i'm having trouble- gravity
- tgoot84
- · Replies 5 ·
Constant force exerted on the ball by the wall?
- Addison
- · Replies 2 ·
Two forces at points B and C equivalent to 240 N force at 30° on leaning tree
- formulajoe
- · Replies 2 ·
Can Polynomials Satisfy the Equation xf''(x) - f'(x) = g(x)?
- tinfoilhat
- · Replies 1 ·
Vertical reaction forces on motorcycle with and without rider
- jimmy p
- · Replies 3 ·
Momentum of 0.150kg Baseball Thrown at 35m/s
- DeBbIeFrIcKeNrAy
- · Replies 2 ·
Why is it hard to walk without bending your knees?
- celect
- · Replies 2 ·
On proving Linearly independence
- franz32
- · Replies 2 ·
Should you square the difference or difference of squares in disk method integrals?
- tandoorichicken
- · Replies 2 ·
How Do Elevator Accelerations Affect Weight Measurements?
- rlechich
- · Replies 2 ·
Problem with current and parallel resistors.
- KingJaymz
- · Replies 13 ·
Is the king's crown solid gold or lead covered with gold?
- tandoorichicken
- · Replies 6 ·
How can I solve this potential energy problem with an elliptical equation?
- Ed Quanta
- · Replies 2 ·
Speed of Water Emerging from Large Tank: [itex] \sqrt{2gh} [/tex]
- tandoorichicken
- · Replies 5 ·
What Are the Correct Answers to These Basic Chemistry Practice Questions?
- deltabourne
- · Replies 5 ·
Designing a lab to detect alpha, beta, and gamma radiation
- Kristine
- · Replies 2 ·
Solving a Complex Integration Problem: Finding the Work to Empty a Tank
- eddo
- · Replies 2 ·
What is the conservation of momentum?
- Luvs_Mariah_C
- · Replies 2 ·
What is the speed of the second ball after the collision?
- Luvs_Mariah_C
- · Replies 3 ·
Billiard balls in headon collision with one at rest
- careysnum1fan
- · Replies 3 ·
Finding the damping torque for a wire ring pendulum in a magnetic field
- Norman
- · Replies 6 ·
What Angle Should a Cannon Be Set to Hit a Target 400m Away and 30m Above?
- Superman2
- · Replies 7 ·