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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Power series solutions to diffeq
- Townsend
- · Replies 10 ·
Torque from sign and beam with guy wire at 1.20 m from wall
- Angie913
- · Replies 14 ·
How Do You Calculate Momentum in Different Collision Scenarios?
- NoHeart
- · Replies 13 ·
Why does my kinetic energy calculation give 4243.12 instead of 320J?
- ProBasket
- · Replies 2 ·
Moment of Inertia/Acceleration of a Swinging Rod
- kishin7
- · Replies 2 ·
How Does Temperature Affect Net Power Emission Ratios?
- vworange
- · Replies 2 ·
Estimate Standard Deviation of Mean Average w/ Maximum Likelihood
- Thinkmarble
- · Replies 2 ·
Integrating tan³(4x)sec⁴(4x) — my answer vs the book
- mad
- · Replies 7 ·
How Does Bullet Impact Affect Spring Compression in a Frictionless System?
- stunner5000pt
- · Replies 10 ·
Calculating Induced Voltage in a Rotating Rectangular Loop
- formulajoe
- · Replies 2 ·
Prove that Ae^iax + Be^ibx = Ce^icx implies a = b = c
- pt176900
- · Replies 6 ·
How to Calculate Delta G and Keq for Chemistry Test?
- huan.conchito
- · Replies 4 ·
Work problem, deals with great pyramid
- stangeroo
- · Replies 2 ·
Two runners approaching flagpole and displacement problem
- heatherly1004
- · Replies 2 ·
Higher Gravity Environment Investigation
- Kirgar
- · Replies 2 ·
How Does Vertex Degree Range Affect Edge Count in a Graph?
- SpatialVacancy
- · Replies 2 ·
How Far Will Jill Run to Catch the Cart?
- stangeroo
- · Replies 2 ·
Proving Limit of (sin 5x)/x: Squeeze Theorem
- ktpr2
- · Replies 2 ·
Force on wire 1 from magnetic field of wire 2
- blue_soda025
- · Replies 4 ·
Solving the Equation: k^3-3K2+31k-37=0 with Synthetic Division
- skysurani
- · Replies 5 ·
Prove whether or not the following are linearly independent
- skysurani
- · Replies 2 ·
Finding primes with n^2 - 79n + 1601 for n=1 to 100
- heavyc
- · Replies 12 ·
Concave mirror magnification with different object distances
- leolaw
- · Replies 3 ·
Calculating Frequency in Standing Wave Resonance
- twiztidmxcn
- · Replies 7 ·
What is the Integral for the Area of a Region Enclosed by a Parametric Equation?
- PolarClaw
- · Replies 6 ·
Grades K-12 Equivalents in England - American to English
- liz
- · Replies 14 ·
Solve Impulsive Motion Problem: Initial Velocity 9m/s, uk=.3, Theta=20 Deg
- VSCCEGR
- · Replies 8 ·
Finding mass density and enclosed mass from gravitational field components
- Phymath
- · Replies 9 ·
Approximate y(3) when dy/dx = e^x/x with y(1) = 2
- Naeem
- · Replies 7 ·
Moment of inertia of rectangular plate about center and corner axis
- johnnyb
- · Replies 4 ·
Energy and momentum.The misunderstanding have prevailed
- Themistocles
- · Replies 5 ·
What Is the Correct Distance d in the Parallel Axis Theorem for a Cube's Edge?
- ~angel~
- · Replies 2 ·
Spinning around a cylinder with a person inside
- Mathman23
- · Replies 5 ·
Generators (know r, l, B, angular speed of coil) how to find peak EMF?
- michaelw
- · Replies 2 ·
Simple Harmonic motion and collisions
- cherylsc
- · Replies 2 ·
Finding Jacobian and image of parallelogram under linear transformation
- VinnyCee
- · Replies 4 ·
How Is the Doppler Effect Utilized in Various Fields and Ultrasound in Medicine?
- SwAnK
- · Replies 6 ·
Angular speed and intertia problem
- coey
- · Replies 2 ·
How Do You Calculate the Launch Angle and Velocity of a Cannonball?
- wisper
- · Replies 2 ·
How Fast is the Area Changing in an Equilateral Triangle?
- Peppy
- · Replies 2 ·
Proving tan x + cot x = (sec x)(csc x) and tan² x - sin² x = (tan² x)(sin² x)
- chase222
- · Replies 4 ·
Finding the Average Force Acting on the Floor During a Vertical Jump
- lektor
- · Replies 4 ·
How Does Back EMF Affect Motor Performance?
- michaelw
- · Replies 2 ·
Find Length of Parametrized Curve: x(t), y(t)
- ILoveBaseball
- · Replies 2 ·
Calculating the Net Force on a Spherical Shell Around the Sun
- ~angel~
- · Replies 11 ·
Angular speed and rotation of a tire at 100 km/hr
- trigger352
- · Replies 7 ·
How can you get power used from step down transformers
- vaxopy
- · Replies 2 ·
Parallel plates - direction of electric field
- michaelw
- · Replies 6 ·
Compute Standard Deviation to Estimate Uncertainty
- tony873004
- · Replies 6 ·
How to Calculate Potential and Speed of a Proton Near a Barium Nucleus?
- XxXDanTheManXxX
- · Replies 2 ·
Calculating Average Value of f(x,y,z) in Solid Bounded by Cylinders
- VinnyCee
- · Replies 2 ·
What are sine and cosine and how do I use them?
- JamesU
- · Replies 2 ·
Laplacian in Polar Cooridinates
- QuantumMech
- · Replies 9 ·
How do I find the Taylor series of ln(x) about x=e?
- pnazari
- · Replies 3 ·
What is the relationship between frequency and wavelength?
- coey
- · Replies 2 ·
Finding where electric field is zero between two point charges
- XxXDanTheManXxX
- · Replies 2 ·
Calculate Optimal Gear Ratio for Electric Motor Winching
- jack0
- · Replies 1 ·
How to Find the Volume of a Region Enclosed by \(\rho = 2 \sin\theta\)?
- VinnyCee
- · Replies 3 ·
ORTIZATION TABLEMonthly Mortgage Payment Calculator
- aisha
- · Replies 18 ·
How to Determine Matrix B in Matrix Multiplication Problem?
- theCandyman
- · Replies 2 ·
Finding d²y/dx² at (4,3) on the circle x²+y²=25
- UrbanXrisis
- · Replies 6 ·
Calculating Volume of Solid Bounded by Cylinders and Plane
- VinnyCee
- · Replies 2 ·
Why Does the Expression -dy/dx/dx/dy Calculate the Slope at a Point?
- ktpr2
- · Replies 8 ·
Is the Calculation of lim_{x->1} (x/ln x) Using L'Hopital's Rule Correct?
- UrbanXrisis
- · Replies 17 ·
What are Kepler's laws and why are they named after him?
- flipper2388
- · Replies 3 ·
Polarizing Sunglasses physics problem
- stunner5000pt
- · Replies 1 ·
Physics matching activity on work and energy terms
- joejo
- · Replies 18 ·
Phys: Induction and Induced Current (2 loops)
- mscoder610
- · Replies 2 ·
Can someone explain Maxwell's equations in simple terms?
- leon1127
- · Replies 2 ·
Dividing 6x^4 - 3x^3 + 5x^2 + 2x - 6 by 3x^2 - 2
- Lucretius
- · Replies 5 ·
Separation of variables for skydiver velocity with dv/dt = -2v - 32
- mikiritenshi
- · Replies 8 ·
Electron Undergoing Annihilation
- Jacob87411
- · Replies 2 ·
Average value of f(x,y) = xy in quarter circle x^2 + y^2 < 1 in Q1.
- VinnyCee
- · Replies 3 ·
Thermal Physics problem: Heat transfer coefficient?
- rune
- · Replies 2 ·
Solving 2 Slit Diffraction: Find Central & 10th Maxima Intensity
- stunner5000pt
- · Replies 2 ·
Why is it harder for women to do push ups then men?
- gillgill
- · Replies 16 ·
Transformations in double integrals. (Jacobian)
- VinnyCee
- · Replies 11 ·
How Many Revolutions Does an Electron Make in Hydrogen's First Excited State?
- Jacob87411
- · Replies 3 ·
What is the relationship between voltage and current in a capacitor circuit?
- Clari
- · Replies 3 ·
Arch involving CONICS hyperbola equation
- aisha
- · Replies 11 ·
Bayes' Theorem for Probability of Drawing Coins from Pouch and Purse
- EvilPony
- · Replies 10 ·
Understanding Periodic Functions: Solving for f(7) Given Specific Values of f(x)
- ms. confused
- · Replies 2 ·
Integrating (1-u²)^(1/2)(2u²+1) with change of variables
- mkkrnfoo85
- · Replies 6 ·
Probability mail arrives before noon on at least one of two days
- EvilPony
- · Replies 7 ·
Center of mass, moment of inertia for x = y^2 and y = x - 2 with density d = 3x
- VinnyCee
- · Replies 2 ·
Adding a constant V to the wave equation
- cyberdeathreaper
- · Replies 21 ·
Finding Local Extrema with Derivatives
- scorpa
- · Replies 2 ·
How Many Molecules Match the Given Structural Description?
- chloé
- · Replies 9 ·
Solving a 3D System with Spiraling Confidence
- djinteractive
- · Replies 2 ·
Transducer terminology question
- StonieJ
- · Replies 2 ·
Can Experiments Confirm the Wave-Particle Duality of Light?
- gschjetne
- · Replies 2 ·
Resolve Acceleration Due to Gravity on Slope: How Far Will the Car Travel?
- recon
- · Replies 3 ·
Reasoning problems on kinematics without numbers
- naren11
- · Replies 2 ·
How Do You Calculate Instantaneous Velocity at Point 2?
- deficiency4math
- · Replies 5 ·
Proving Unbiased Estimator: E(2/n*sum from 1 to n of Y(i)) = theta
- semidevil
- · Replies 2 ·
Where does one term end and the other begin?
- trigger352
- · Replies 2 ·
Calculating Average Velocity in Spring-Mass System
- UrbanXrisis
- · Replies 3 ·
Parallel Plates and charge density
- Fanman22
- · Replies 6 ·
How to Calculate Multiples Within a Specific Range?
- trigger352
- · Replies 2 ·