Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
What is the System of Equations for Finding Planes Containing a Given Line?
- jdstokes
- · Replies 3 ·
Proving the Convergence of a Geometric Series with a Tricky Sum Equation
- misogynisticfeminist
- · Replies 6 ·
CaCO3 decomposition equilibrium, I2/I3- constant, and C2+ absorption wavelength
- ~angel~
- · Replies 3 ·
Can the Spin of an Electron Flip in a Different Direction than Measured?
- wizzart
- · Replies 22 ·
What is the volume of water in a cylindrical cumulus cloud of given dimensions?
- scmejla
- · Replies 2 ·
Gauss-Jordan Row Reduction for Linear Systems
- paulchem
- · Replies 2 ·
What are the main differences between sound and light waves?
- Raparicio
- · Replies 11 ·
Why does an electron spiral in a nonuniform magnetic field?
- michaelw
- · Replies 7 ·
How to Calculate Time and Uncertainty for Rotating Pulsars
- scmejla
- · Replies 2 ·
Group velocity for a discrete superposition of waves
- quasar987
- · Replies 4 ·
Photons from stars and carbon atoms from burning fuels
- mohdfasieh
- · Replies 3 ·
Solve an Infinite Charge Line Problem
- a_aziy
- · Replies 2 ·
The physics behind tilting trains - my oral physics exam
- ofaltins
- · Replies 1 ·
Radial Track, Find Loss of TME
- bigman8424
- · Replies 2 ·
If a magnetic field is increasing, will a charge in that field accelerate?
- michaelw
- · Replies 15 ·
A golf ball of mass 46 g is struck a blow by a club
- Waylander
- · Replies 3 ·
Two spaceships travel away from the earth.
- CarlB
- · Replies 3 ·
Is the Adjoint of an Operator the Same as the Original Operator?
- Feynmanfan
- · Replies 11 ·
Physics Assignment Help: Finding the Best Boat Form for Optimal Speed!
- Bafsemann
- · Replies 5 ·
Orbit and stabilizer of (12)(34) under conjugation in S_4
- Oxymoron
- · Replies 14 ·
How Does Dielectric Susceptibility Affect Charge Force Calculation?
- teastu
- · Replies 5 ·
How Far Apart Are McDonald's Signs on the Pacific Highway?
- aricho
- · Replies 3 ·
How Do You Calculate the Sum of a Geometric Sequence with Alternating Terms?
- bold
- · Replies 4 ·
How Does Specific Heat Capacity Influence Energy Transfer Rates?
- primarygun
- · Replies 2 ·
Could Someone Check This Answer?
- kitz
- · Replies 4 ·
Finding partial derivatives of an integral with substitution
- schattenjaeger
- · Replies 13 ·
Dog walking on a frictionless flatboat away from shore
- vroman
- · Replies 2 ·
How Do You Calculate the Required Power for a Heat Pump with Given Temperatures?
- Physics_wiz
- · Replies 10 ·
Is the partial derivative for acceleration correctly solved?
- niteshadw
- · Replies 3 ·
Finding ∂z/∂x from x + y + z = cosh xyz
- jdstokes
- · Replies 5 ·
Optic water refraction question
- herfox
- · Replies 4 ·
Does net force always change velocity or acceleration?
- kye6338
- · Replies 2 ·
How Does a Car Maintain Stability on a Banked Curve?
- Swatch
- · Replies 5 ·
Can You Simplify the Trigonometric Expression (sin120+tan120) / (sin150+tan150)?
- brandon26
- · Replies 13 ·
Calculate Atomic Energy of a Girl (45.45 kg)
- Vincent Vega
- · Replies 5 ·
Finding voltage and current in a circuit with series and parallel resistors
- Shakerhood
- · Replies 5 ·
Why is arcosh x defined with only one logarithm, not ±?
- Gaz031
- · Replies 2 ·
Need problem statements from Calculus Early Transcendentals 6th edition
- FrogPad
- · Replies 8 ·
Volume problem - Closest packing
- Jchem
- · Replies 4 ·
Calculate Force on Smaller Cylinder in Hydraulic Pump w/ 500kg Mass
- sinedine
- · Replies 3 ·
Solving a Hard Math Question: Volume of Concentrated Orange Juice
- DB
- · Replies 3 ·
Calculating Rate of Change in Graphs: Is it Just Gradient?
- flo123
- · Replies 5 ·
Calculate Average Acceleration for the Detonator Ride at Worlds of Fun
- nissanfreak
- · Replies 11 ·
Gain of the system of amplifiers
- Tino
- · Replies 2 ·
Find the volume of the solid which is bounded by the cylinders
- Benny
- · Replies 3 ·
Fun elevator problem, find accel
- bigman8424
- · Replies 6 ·
What are the types, wavelength, and speed involved in wave superposition?
- richnfg
- · Replies 2 ·
If the charge on a capacitor doubles how does its capacitance change?
- michaelw
- · Replies 3 ·
Calculate tension if acceleration given
- bigman8424
- · Replies 4 ·
Why Does the Cylindrical Shells Method Give a Different Volume for a Torus?
- ktpr2
- · Replies 2 ·
How Does Doubling Volume and Increasing Temperature Affect Gas Pressure?
- Shakerhood
- · Replies 5 ·
Calculating Current, Voltage in Series Circuit with 25V Battery and 2 Resistors
- Shakerhood
- · Replies 5 ·
How Is EMF Induced in a Falling Metal Rod Affected by Earth's Magnetic Field?
- garytse86
- · Replies 5 ·
Calculating Normal Force on Block on Wedge
- DDS
- · Replies 5 ·
Finding partial pressures from Kp and Kc in equilibrium
- ~angel~
- · Replies 6 ·
How can activation energy affect the rate of a chemical reaction?
- joejo
- · Replies 7 ·
What Is the Height of the Fence Cleared by the Golf Ball?
- sterlinghubbard
- · Replies 5 ·
Frequency Q: What's Max Amplitude Vibration Name?
- flo123
- · Replies 3 ·
Cubic polynomial of degree 3 with conditions on values and derivatives
- Bob19
- · Replies 5 ·
What's Wrong with My Conservation of Energy Calculation for a Skier?
- vroman
- · Replies 2 ·
What is the formula for calculating gravitational field?
- 404
- · Replies 6 ·
Finding the Weight and Center of Gravity of a Heavy Electric Motor
- MAPgirl23
- · Replies 2 ·
Rollercoaster up to the top of a lift.
- Frank_Horrigan
- · Replies 2 ·
How Fast Does a 15 kg Block Accelerate Down a 37-Degree Incline If Frictionless?
- bigman8424
- · Replies 10 ·
Separable equations (but more like integration questions)
- Beez
- · Replies 3 ·
How Do You Calculate Pressure at Different Points Inside a Fluid-Filled Barrel?
- MAPgirl23
- · Replies 3 ·
Calculating Speed, Amplitude, and Distance in a Standing Wave
- Ramses The Pharaoh
- · Replies 2 ·
Given max tension, find max upward acceleration
- bigman8424
- · Replies 3 ·
What is electric potential and how is it calculated?
- saltrock
- · Replies 7 ·
Calculating Water Level Changes in a Partially-Filled Container
- MAPgirl23
- · Replies 9 ·
Flow speed and pressure in a horizontal pipe with constriction
- MAPgirl23
- · Replies 7 ·
Centrifugal Force: Tension in String w/ Mass in Horizontal Circle
- flo123
- · Replies 2 ·
How Do You Calculate the Work Function of Metal in Quantum Physics?
- Charlie Brown
- · Replies 2 ·
Solving Composite Functions: Show INTEGRAL[Tof] = T(INTEGRAL[f])
- jessawells
- · Replies 2 ·
Actual Depth and Apparent Depth
- chibi_lenne
- · Replies 19 ·
How to Construct Specific Degree 3 Polynomials with Given Conditions?
- Mathman23
- · Replies 3 ·
Solving D.E. with Variation of Parameters Technique
- RadiationX
- · Replies 4 ·
Eigenvectors of a 3x3 Matrix A: Calculation and Verification
- Mathman23
- · Replies 4 ·
Find three different right-angled triangles
- aricho
- · Replies 17 ·
How to Derive Polynomials from Given Conditions?
- Mathman23
- · Replies 2 ·
Can a 3→2 electron transition appear in both emission and absorption spectra?
- convict11
- · Replies 2 ·
What is the Limit of (1+3x)^(1/x) as x Approaches 0+?
- jdstokes
- · Replies 5 ·
Finding Ka of HCN from KCN solution at pH 9.70
- Aly
- · Replies 2 ·
Converting wave function from cos and sin product to single sine
- Ramses The Pharaoh
- · Replies 18 ·
Galvanometer Spring Weakness and Current Adjustment
- Jodi
- · Replies 3 ·
Doppler shift for moving source approaching a reflecting wall
- jdstokes
- · Replies 4 ·
When Do Two Vertically Thrown Balls Meet?
- shikagami
- · Replies 2 ·
Electric circuits problem (RL/C circuits)
- ACLerok
- · Replies 3 ·
Seperating metals in a solution
- J_o_S
- · Replies 2 ·
Newton's Second Law of Motion (problems)
- love_joyously
- · Replies 6 ·
How Do You Solve This Complex Partial Fraction Integration?
- bayan
- · Replies 8 ·
What is the final temperature of sphere B?
- briandeblis
- · Replies 2 ·
High Melting and Boiling Points: A Characteristic of Petroleum?
- faisal
- · Replies 2 ·
What is the trajectory of a ball thrown from a building?
- Eiano
- · Replies 5 ·
Calculating magnitude and direction
- niteshadw
- · Replies 2 ·
Calculating Time and Velocity of a Ball on a Ramp - Confirming Understanding"
- J_o_S
- · Replies 2 ·
Integrating sin(2nx)/sin(x) for integer n
- Yegor
- · Replies 5 ·
Rational exponents and simplification problems
- Bin Qasim
- · Replies 8 ·
Differential equations - population model
- DivGradCurl
- · Replies 5 ·