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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Mech 3: Sphere Sliding Problem - Mass, Radius, and Acceleration Calculations
- Elphaba
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Solving for Acceleration of Masses with a Pulley System
- claralax
- · Replies 4 ·
Work done by uniform electric field and potential in conductors
- metz143
- · Replies 2 ·
Rail Gun physics, need assistance
- Yapper
- · Replies 9 ·
Proving Every Student at School Has Even Number of Friends
- Pandaren
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Conical Pendulum, Mass and Period
- deanchhsw
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What is the equation for tension in a string?
- The Sword 88
- · Replies 2 ·
Calculating Safety of Lifting Steel Beam at 3m/s
- rcgerrity
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Proving Kineric Energy with Force and Distance
- rcgerrity
- · Replies 5 ·
Is Momentum the Same as Potential Energy?
- UrbanXrisis
- · Replies 7 ·
Transforming the probability density equation to the wave function
- Raparicio
- · Replies 11 ·
Question regarding mutual inductance of two coil
- Sanosuke Sagara
- · Replies 5 ·
What temperature increase makes gas pressure 1.5p1 in a cylinder?
- Jimsac
- · Replies 8 ·
Completing the Square: x^2+2x+5 is Always Positive
- Mo
- · Replies 3 ·
How to Find the Normal Vector for a Plane Perpendicular to Another?
- eme_girl
- · Replies 4 ·
Proving Right Angle Using Cartesian Coordinates
- UrbanXrisis
- · Replies 13 ·
Word Problems(might involve factoring)
- Hardeep
- · Replies 8 ·
What Determines the Speed of the Second Puck After a Collision?
- Tabe
- · Replies 2 ·
Photoelectric effect and wavelengths
- punjabi_monster
- · Replies 4 ·
How Does Pipe Width Affect Water Flow and Speed?
- Fanny Tan
- · Replies 4 ·
Does Tension Force Do Work on a Pendulum Bob?
- Help_Me_Please
- · Replies 4 ·
Force required to lift an 825 kg sail 5 meters up a mast
- rjash10
- · Replies 12 ·
Finding friction coefficients and spring constant for wood block and springs
- dekoi
- · Replies 4 ·
Finding historical references for spring and gravitational potential energy lab report
- Help_Me_Please
- · Replies 4 ·
How Do You Calculate Marginal Revenue for Maximum Bus Fare Efficiency?
- salemchic05
- · Replies 2 ·
How can I find te integral of root(x*x+x+1)
- Tengo
- · Replies 3 ·
Fish Pond Population Growth: Is a Constant?
- Chaotic Boredom
- · Replies 5 ·
Find the Minimum Mass to Turn a 36 KG Round Table Over
- Jacob87411
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Evaluating integral born approximation
- yxgao
- · Replies 4 ·
Finding Force Exerted by String on Inclined Planes
- VietDao29
- · Replies 7 ·
Solving -3x=x^2-4 and y^4-2y^2=-y^3 for pretrig review
- kahi
- · Replies 6 ·
Can dental floss reduce friction in physics experiments?
- Aki
- · Replies 4 ·
Compressed Air Car: Moving 70kg Person w/ 135 PSI Tank
- Unknown2x
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Calculate Work Done by Gas in 5L Container
- summergrl
- · Replies 4 ·
Cotangent function integration problem
- Benny
- · Replies 2 ·
Whats wrong with this torque set up
- Jacob87411
- · Replies 2 ·
Tension and static equilibrium formulas for grade 12
- Noin
- · Replies 3 ·
What Is the Relationship Between Constant Velocity, Force, and Work?
- Ret_24
- · Replies 3 ·
Solve tan(4x) - tan(2x) = 0 for 0 < x < 2π
- xLaser
- · Replies 4 ·
Solving Linear Recurrence: ax_k+1 + bx_k + c
- Parth Dave
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How to Begin Differentiating Products with x^2(x+1)(x-2)^7?
- footprints
- · Replies 6 ·
Simple Harmonic(Quantum) Oscillator
- Hyperreality
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Set Theory Proof: A vs. B-C vs. C
- courtrigrad
- · Replies 4 ·
Potential difference and proton energy between charged parallel plates
- metz143
- · Replies 2 ·
What Are the Possible Spin States After Particle Decay in Quantum Mechanics?
- yxgao
- · Replies 2 ·
Transformations of y = -2√(3x-12)-5
- aisha
- · Replies 2 ·
How can I build a simple and cost-effective wind power generator?
- an_mui
- · Replies 3 ·
Tensions and angles for three masses suspended by four strings
- Catalyst
- · Replies 7 ·
Relationship between spacetime, acceleration, and gravity?
- uchihajeff
- · Replies 3 ·
Product of Two Terms: Determinant Evaluation and Vanishing Values in Terms of p
- Nylex
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Photon angular distribution in hydrogen 2P to 1S transition
- yxgao
- · Replies 2 ·
Tangent Galvanometer and others
- coldfusion
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Calculating the Length of a Segment Joining Centers of Inscribed Circles
- Chikawakajones
- · Replies 14 ·
Find the sum of reciprocals of integers with only prime factors 2 and 3
- DivGradCurl
- · Replies 9 ·
Coordinate Geometry: Solving a Question for 0P
- Mo
- · Replies 2 ·
How Can I Maximize the Distance of a Cart Powered by Two Elastic Bands?
- xtraxxl
- · Replies 6 ·
Checking Rewritten Equation for y=-3f(-2x+4)+5
- aisha
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Correcting for the Moon's gravity
- Andrew Mason
- · Replies 5 ·
Is it possible for the median to equal the stddev?
- ktpr2
- · Replies 3 ·
Pressure law (how they combined to get pv/t)
- Mo
- · Replies 4 ·
Is y² = x + 1 a function?
- aisha
- · Replies 11 ·
Potential Theory: Study Caracteristics of Formula
- Raparicio
- · Replies 3 ·
Calculating Arc Length for a Circling Airplane
- DethRose
- · Replies 7 ·
Does Friction Cause Centripetal Force in Circular Bicycling?
- Clari
- · Replies 9 ·
Proving John Machin's Formula for Arctan Difference
- DivGradCurl
- · Replies 4 ·
Calculating Magnus Effect in Long Range Artillery
- Henk
- · Replies 14 ·
How Do You Simplify Logarithmic and Exponential Equations?
- 01
- · Replies 9 ·
How Do You Model a House Structure Using Mathematical Equations?
- aisha
- · Replies 11 ·
(-3,-6) is a point on y=f(x) determine a point on the graph y=3 abs(f(x))+1
- aisha
- · Replies 4 ·
Cosine law giving math error with sides 4.3, 5.2, 7.5
- aisha
- · Replies 6 ·
Derivatives of Log and Exponential Functions
- majinknight
- · Replies 6 ·
Kinetic Energy: .00020kg Bullet vs 6.4 x 10^7 kg Ocean Liner
- Jimsac
- · Replies 2 ·
Question on Function: y=3x^2 -1/x^3
- majinknight
- · Replies 2 ·
How to find angle from cosine in Turing without inverse trig
- eax
- · Replies 8 ·
Finding the inverse of f(x)=3∛(x+2)-7
- aisha
- · Replies 11 ·
Does the half-life of a radioactive element stay the same?
- UrbanXrisis
- · Replies 3 ·
Prove Sum of Elements in Every Row A-1 = 1 if Sum of Elements in Every Row A = 1
- Chen
- · Replies 10 ·
Right angle triangle trigonometry
- aisha
- · Replies 4 ·
Tension of a rope holding a platform and a person
- Elphaba
- · Replies 3 ·
Graphing calculator find an eqn?
- aisha
- · Replies 10 ·
Determining Coefficients of Friction
- Elphaba
- · Replies 4 ·
The Electric Field Strength of a Proton Accelerated at 1 Million g
- joej
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How Do You Calculate the Tension in the Top Rope of a Hanging Stoplight System?
- psycovic23
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How Do Changes in Location Affect Circular Motion and Weight?
- Clari
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Find Angular Position of Particle in Vertical Circle Motion
- Clari
- · Replies 10 ·
How do you expand (a+b)^n using the binomial theorem?
- roger
- · Replies 6 ·
How Does Wind Speed Affect Roof Pressure and Force Calculation?
- stormnebula
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What Is the Impulse Delivered to a Ball Hit by a Bat?
- UrbanXrisis
- · Replies 11 ·
Uncertainty on cos(theta) from angle measurement error
- thegame
- · Replies 5 ·
Uniform Circular Motion problem
- Unknown2x
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Electromagnetic induction and conducting rods
- apchemstudent
- · Replies 4 ·
Using the law of conservation of kinetic energy
- Moe_the_Genius
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Is -3 + 1/2x the Correct Inverse of 1/(2x+6)?
- aisha
- · Replies 6 ·
Supplementary Angles for Spherical Trigonometry
- jaycob1997
- · Replies 4 ·
Finding the inverse of 1/(−3y+9) and checking if it's a function
- aisha
- · Replies 10 ·
Transform f(x)=x^2 to y=2f(-1/2(x+5))-3
- aisha
- · Replies 5 ·
American artificial planet Pioneer IV
- roger
- · Replies 2 ·