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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Kinematics in one dimension (easy problem)
- Danny_c
- · Replies 6 ·
Where must the 225 lb painter stand for equal support forces?
- eutopia
- · Replies 5 ·
Is a set of vectors linearly independent if 4u-2v+3w=0?
- EvaBugs
- · Replies 6 ·
Why Does the Integral of 2xCos(Pi*x^2)dx Not Simplify Using Standard Methods?
- Chaz706
- · Replies 3 ·
How Fast Must a Cyclist Go to Safely Round a 20m Bend?
- gunblaze
- · Replies 2 ·
Measuring Magnetic Field Strength with Hall Probe
- medusa
- · Replies 7 ·
Calculating Velocity & Compass Heading After Car-Truck Collision
- eutopia
- · Replies 2 ·
Taking Moments About a Point and Resolving Forces
- John Matrix
- · Replies 2 ·
How Do You Calculate the Energy Stored in a Magnetic Field?
- abot
- · Replies 2 ·
What Formula Calculates the Force on a Mass by a Pole?
- benhorris
- · Replies 6 ·
Estimate the potential of the cloud relative to the ground
- Clari
- · Replies 2 ·
And we have successfully proven the integration by parts formula!
- DivGradCurl
- · Replies 2 ·
Thermodynamics - Change in volume
- janiexo
- · Replies 6 ·
Calculating Moment of Inertia for the Falling Mass Method
- willwoll100
- · Replies 4 ·
Transition Energy in ev's Emitted wavelengths in m
- whiteshado
- · Replies 26 ·
Which phase of matter has a fixed volume and takes the shape of its container?
- Ripple
- · Replies 4 ·
How do you factor using the difference of squares?
- QuantumTheory
- · Replies 15 ·
Eigenvector decomposition and least squares solutions verification
- shan
- · Replies 3 ·
Fish at center of spherical water bowl
- sghaussi
- · Replies 2 ·
Energy and Simple Harmonic Motion
- shawonna23
- · Replies 2 ·
How Fast Will the Asteroid Hit Earth?
- squib
- · Replies 2 ·
How do u solve for n Permutations
- gillgill
- · Replies 2 ·
How to find r in the equation P(5,r)=20
- MiniTank
- · Replies 9 ·
Using the Method of Images to Find the Force on q
- quasar987
- · Replies 5 ·
Volume of Revolved Area Bounded by ln(x) and the x-axis
- RadiationX
- · Replies 2 ·
What is the correct answer for this trigonometric improper integral?
- cmab
- · Replies 3 ·
Bouncing Ball Problem: Average Force Calculation with Suspicious Choices
- wootage
- · Replies 2 ·
How to Measure the Electrical Resistance of a House Brick?
- jkl34
- · Replies 3 ·
Also how would you find the average constant?
- courtrigrad
- · Replies 6 ·
Area of shaded region between three equal circles of radius 1 cm
- fork
- · Replies 2 ·
Improper integral with absolute value in denominator
- cmab
- · Replies 6 ·
Finding the Induced Magnetic Field: Right-Hand Rule
- waywardtigerlily
- · Replies 2 ·
Relating Coefficient of Friction for my Tyre Experiment
- Matt.D
- · Replies 4 ·
What is the Final Step for Proving Trig Identity with Given A+B+C=π?
- whkoh
- · Replies 2 ·
Finding Solutions to the Sinh Equation in Complex Numbers
- Benny
- · Replies 2 ·
How Do You Calculate Light Frequency in Diffraction Grating Experiments?
- scorpa
- · Replies 4 ·
Can normal force produce torque on a block pressed against a wall?
- nomorevishnu
- · Replies 18 ·
How Do You Approach Predicate Logic Problems?
- ashleemorgan65
- · Replies 10 ·
Solving a Line Integral Using Green's Theorem
- hbomb
- · Replies 5 ·
Solve Rigid Body Rotation Problem: Find x dot
- TheDude710
- · Replies 2 ·
Where can I find international softcover editions of textbooks?
- mattlorig
- · Replies 2 ·
Understanding Positive and Negative Work in Closed PV Graphs
- Jayhawk1
- · Replies 2 ·
Is My Integral Setup Correct for Calculating Area Between Curves?
- gokugreene
- · Replies 5 ·
How Do I Solve These Couple Trig Problems?
- Jacob87411
- · Replies 2 ·
Solve Physics Lab Black Box Enigma
- xiuxiu
- · Replies 3 ·
What is the Breakdown of My Overall Grade?
- jzq
- · Replies 2 ·
Why is Q the symbol for heat in physics?
- travis0223
- · Replies 2 ·
Is Wave Velocity Always Double the Group Velocity in Deep Water?
- pt176900
- · Replies 2 ·
Find Volume of Metal Object: 860-785 N, 9.8 m/s^2
- srhly
- · Replies 2 ·
Spring-launched block: why do I get 27 cm instead of the correct answer?
- random__
- · Replies 10 ·
Buoyant force equation and water displacement for a cardboard boat
- aznboi986
- · Replies 5 ·
Finding the Value of B in a Simple Equation
- abot
- · Replies 3 ·
Verifying Answers to Questions on Test - 65 Characters
- Pengwuino
- · Replies 2 ·
Chebyshev's Inequality (Statistics Question)
- DeadxBunny
- · Replies 2 ·
What is the equation of motion for two cubes colliding in vertical motion?
- heaven eye
- · Replies 2 ·
How Do You Solve These Challenging Gravitation Problems?
- Glenn K
- · Replies 2 ·
Understanding Magnetic Induction Field B on Circular Coil Axis
- retupmoc
- · Replies 3 ·
Maximum velocity and acceleration of a 440.2 Hz tuning fork prong in SHM
- shorti2406
- · Replies 6 ·
Finding transverse velocity from a wave equation
- sghaussi
- · Replies 12 ·
Calculate Angular Frequency for Damping Motion with Mass-Spring System
- evgeniy
- · Replies 2 ·
When does backgroud radiation more signifigant?
- rlrennin
- · Replies 2 ·
How Does Eliminating Red Meat Reduce Sodium Urate Build-Up in Joints?
- ChemRookie
- · Replies 2 ·
Electric Current in a Hydrogen Atom
- SuburbanJohn
- · Replies 9 ·
The surface tension of a liquid at its boiling point is what?
- nishant
- · Replies 6 ·
Multiplying block matrices as 2x2 blocks
- el_hijoeputa
- · Replies 2 ·
Primary and Secondary Voltages In A Transformer
- scorpa
- · Replies 7 ·
How many ways to get a Four of a kind?
- gillgill
- · Replies 3 ·
Closest Approach of 6 MeV Alpha Particle on Fe Nucleus
- Civilian2
- · Replies 2 ·
Convergence or Divergence of a Geometric Series with r= 1/10
- Punchlinegirl
- · Replies 2 ·
Who to interview (astronomy high school project)
- Southpaw
- · Replies 2 ·
How Do Component Substitutions Affect RLC Circuit Properties?
- bertholf07
- · Replies 2 ·
Finding wavelength from double-slit interference pattern
- Kdawg
- · Replies 3 ·
E-Field of non-conducting plane
- Fanman22
- · Replies 2 ·
How Can I Apply Theoretical Physics Concepts to Practical Exam Questions?
- starlooney
- · Replies 2 ·
Very simple motion problem, i just cant get it
- stangeroo
- · Replies 2 ·
How Is Momentum Conserved in Collisions at Angles?
- benji
- · Replies 2 ·
What is the equilibrium temperature of a system containing ice and steam?
- jennypear
- · Replies 5 ·
Magnetic Field Problem (Wire within a Tube)
- loto
- · Replies 3 ·
So, the force on each wall of the box is 138 N.
- jennypear
- · Replies 7 ·
Maximum Width of Single Slit for No Diffraction Minima?
- leolaw
- · Replies 4 ·
Can the line x=0 be differentiable?
- UrbanXrisis
- · Replies 2 ·
Centripetal Acceleration at 60 degrees
- wikidrox
- · Replies 6 ·
Electrons projected through an electron field problem
- glitterjewels
- · Replies 2 ·
What is the phase difference between the two radio waves
- sghaussi
- · Replies 4 ·
Solving the Biot-Savart Problem
- jackdamack10
- · Replies 6 ·
Net magnetic field from two parallel conductors on a third
- EvaBugs
- · Replies 6 ·
Rearview mirror image distance and angular size problems
- Double A
- · Replies 3 ·
Are Primes of the Form 4n+1 Infinite?
- tamalkuila
- · Replies 10 ·
Total electric field energy in hydrogen Bohr atom with 1.00e-15 m radius
- bertholf07
- · Replies 2 ·
Where to find solutions for the geometric product of abc
- Raparicio
- · Replies 18 ·
Laws of Motion, vertical acceleration question.
- Bucky
- · Replies 4 ·
Quick induced current from magnetic field question direction of current?
- michaelw
- · Replies 2 ·
Can you find real images with a diverging lens?
- SwAnK
- · Replies 4 ·
How Do I Rearrange I=K(cosØ)ⁿ Using Logarithms for Linearization?
- MrW
- · Replies 3 ·
Permutations .How do u find the number of paths in a 3D object?
- gillgill
- · Replies 5 ·
Calculating Wave Travel Time Along a String
- sghaussi
- · Replies 2 ·
Solving Collision Question: Find Initial Velocities of Cars
- ~angel~
- · Replies 4 ·
What is the mistake in finding the volume using spherical coordinates?
- hbomb
- · Replies 2 ·
Calculate Acceleration to Lift: 450N-1000N = 250N
- whkoh
- · Replies 2 ·
Really simple trig modeling question
- lektor
- · Replies 2 ·