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 Vector Magnitude & Direction in River Flow Problem
- bluewolf
- · Replies 2 ·
Questions about Wave Period and Radio Wave Wavelength
- sinandcity
- · Replies 2 ·
What Is a Newton Second?
- danago
- · Replies 6 ·
Problem involving slits, diffraction, and incident angle.
- nobb
- · Replies 1 ·
Pressure in Tank: Increasing or Decreasing?
- Idea04
- · Replies 1 ·
Physics Baisic Lab Question and Scalar Components
- chs1491
- · Replies 2 ·
Is there a free alternative to MathType and Math Writer?
- Agnostic
- · Replies 2 ·
Calculating Acceleration to Avoid Collision of Enterprise & Klingon Ship
- kirbykirbykirby
- · Replies 5 ·
Calculating Equilibrium Angle for Charged Sphere on Silk Fiber
- nateastle
- · Replies 5 ·
Plotting a Vertical Velocity Graph for a Given Situation
- Thunderer
- · Replies 6 ·
Problem involving gravitational constants
- Xkaliber
- · Replies 7 ·
Do Inclined Plane Calculations Use Degrees or Radians?
- Ascetic Anchorite
- · Replies 23 ·
Finding the separation angle and launch velocity of a trebuchet projectile
- deltronzero
- · Replies 1 ·
How Does Top Gun Accurately Depict the Physics of a Flat Spin?
- DownSetDana
- · Replies 2 ·
Resultant displacement and angle
- bearhug
- · Replies 1 ·
One dimensional motion problem =/
- Double D Edd
- · Replies 5 ·
Magnitude of electric field - Problem check
- duki
- · Replies 1 ·
Calculating Displacement of a Charged Particle in a Constant Electric Field
- duki
- · Replies 11 ·
Finding the Position of a Particle at the Instant it Changes Direction
- bearhug
- · Replies 2 ·
Positive charge distributed uniformly along y axis
- nateastle
- · Replies 1 ·
Coconut Movement in Ocean Waves
- Delzac
- · Replies 2 ·
Intensity and Interference of Light Beams
- aiglosicicle
- · Replies 2 ·
What Determines the Evolutionary Path of Stars?
- nath_quam
- · Replies 1 ·
What is the method for finding the resultant of displacement vectors?
- Rawr
- · Replies 2 ·
How could spring water lift a person?
- scalar
- · Replies 4 ·
How are vectors A and B oriented if A + B = C and A² + B² = C²?
- User Name
- · Replies 2 ·
Electric field at center of square with charges +q, -2q, +2q, -q
- GenMipps
- · Replies 3 ·
What Determines the Direction of Friction in Physics Problems?
- coreankim
- · Replies 7 ·
C 12 physics problem: Water speed and duration of impact
- faceblah
- · Replies 3 ·
Calculating Coulombs of Charge in Water
- Valhalla
- · Replies 2 ·
What is the Maximum Altitude of a Bullet Fired Straight Up?
- Arbitrary
- · Replies 2 ·
Electric Field at Midway Point of Two Opposite Charges
- GenMipps
- · Replies 4 ·
You all are such a blessing I .
- duki
- · Replies 11 ·
Distance Covered by Puck A at Collision
- Kalie
- · Replies 7 ·
Motorcycle Catches a Car (Acceleration)
- Kalie
- · Replies 2 ·
How Do You Calculate the Maximum Axial Compressive Load for a Steel Punch?
- eddyb
- · Replies 1 ·
Specific heat if boiling water is added during cooling
- Signifier
- · Replies 5 ·
Can Vector-Valued Functions Accurately Model Particle Motion in Two Dimensions?
- opticaltempest
- · Replies 1 ·
Was Physics Misrepresented in the Movie Apollo 13?
- Missy81590
- · Replies 24 ·
What Is the Minimum Height of a Rear-View Mirror to See the Entire Rear Window?
- sweetgirl86
- · Replies 4 ·
Solving Jumping Bean Physics Problems
- shoook
- · Replies 3 ·
Easy Electical potential problem i cant do
- ELHEK
- · Replies 2 ·
Electric flux through a cube problem
- erik-the-red
- · Replies 1 ·
Having a little trouble, very typical question
- DB
- · Replies 9 ·
Finding position when velocity is 50% of maximum for a vibrating spring
- eddyb
- · Replies 21 ·
Radioactivity of an unknown isotope
- khy86
- · Replies 3 ·
Pendulum mass and Newton's second law
- moomoocow
- · Replies 5 ·
Momentum, impulse, and power definitions
- pavadrin
- · Replies 5 ·
Egg Drop Project: How to Make it Work?
- physics=cool
- · Replies 3 ·
Why Do Students Struggle with Resolving Forces?
- kindaichi
- · Replies 1 ·
Building a submarine model for a one-week physics competition
- mysassygirl
- · Replies 3 ·
Converting a Longitudinal Wave Displacement-Time Graph into a Distance Graph
- yipkawa
- · Replies 1 ·
Is the statement about lunar orbit and Earth's motion correct?
- lebbo
- · Replies 10 ·
Dont Understand how to Figure out this columbs law question.
- Papak
- · Replies 2 ·
Mission: Impossible - The Movie
- H0pe_LRomantix
- · Replies 1 ·
How Do You Calculate the X Component of Force in Coulomb's Law?
- nateastle
- · Replies 2 ·
Critique of my first proof from Analysis by Steven Lay
- opticaltempest
- · Replies 4 ·
Normal force on inclined planes.
- coreankim
- · Replies 12 ·
Motion of a jumper - Find the mass
- Jess048
- · Replies 3 ·
Finding distance to the Gateway Arch and ship displacement components
- taylor89
- · Replies 9 ·
Action/reaction force in relation to Newton's 3 law
- student12phys
- · Replies 2 ·
Flowerpot passing window kinematics problem
- AuraofMana
- · Replies 3 ·
Having trouble using bernoulli eq.
- WyldFyr
- · Replies 12 ·
Field and Waves Electromagnetics books
- big man
- · Replies 8 ·
Why Does Air Resistance Increase with Velocity in Freefall?
- danago
- · Replies 9 ·
Calculating Total Charge Flowing Through Circuit
- Valhalla
- · Replies 1 ·
Electric field at center of square with alternating charges
- erik-the-red
- · Replies 2 ·
Question that I answering [projectile motion]
- bee24
- · Replies 4 ·
SHM question and Current question.
- al_201314
- · Replies 6 ·
Calculating Centre of Mass with Added Weight on a Station Wagon
- John O' Meara
- · Replies 9 ·
Increase in speed, decrease in time
- keinekatze
- · Replies 4 ·
How Does Polarization Affect Electric Field Calculation in a Dielectric Disc?
- Saketh
- · Replies 1 ·
How can I find the superposition of two vectors with a phase shift of pi/4?
- Kazza_765
- · Replies 6 ·
Fluid dynamics / water making a radius
- angel_of_pizza2000
- · Replies 2 ·
Modeling Object Motion in a Viscous Liquid: mg - kv = m(dv/dt)?
- Pseudo Statistic
- · Replies 1 ·
Static pressure in water towers vs dynamic pressure in pipes
- Idea04
- · Replies 1 ·
Running the red light (car physics)
- SamuraiTom
- · Replies 4 ·
Estimating Earth's total water mass from surface coverage
- bearhug
- · Replies 3 ·
Why we draw the angle with y-axis?
- Aladin
- · Replies 1 ·
Special Relativity and Binomial Expansion
- Xkaliber
- · Replies 2 ·
Moment of inertia of a Conic Frustum
- Ascetic Anchorite
- · Replies 5 ·
Calculating Minima Spots Between Two In-Phase Speakers
- NotMrX
- · Replies 6 ·
Hydrogen Spectrum: Lyman, Balmer, Paschen & Pfund Series
- Amith2006
- · Replies 1 ·
What is the Tension in the Left Cable Holding a 2000 Pound Block at 30 Degrees?
- Cassie1014
- · Replies 4 ·
Particle statics - A bridge span
- shogunultra
- · Replies 2 ·
Is Entropy Zero at Absolute Zero?
- Delzac
- · Replies 1 ·
What is the power of the weightlift?"
- danago
- · Replies 2 ·
Closest distance for alpha particle to gold nucleus in Rutherford scattering
- fatboy12341
- · Replies 4 ·
Velocities involved in partially inelastic collisions
- Signifier
- · Replies 1 ·
Two pucks colliding on air hockey table with unknown final velocities
- chmilne
- · Replies 2 ·
Simple problem:Voltage of capacitors AFTER closing a switch
- easyyy
- · Replies 2 ·
Is Kinetic Energy Truly Zero at Absolute Zero?
- Delzac
- · Replies 18 ·
Particle statistics- Three forces on force table
- shogunultra
- · Replies 3 ·
Refraction Angle: Find the Answer to Your Question
- StudentofPhysics
- · Replies 2 ·
Does Slower Flowing Fluid Experience Less Pressure Drop?
- Idea04
- · Replies 2 ·
Three Charged Particles in an xy-plane
- erik-the-red
- · Replies 2 ·
How Do Camera Settings Like Aperture and Shutter Speed Affect Exposure?
- physicsgal
- · Replies 2 ·
8 million uranium atoms in milligrams?
- paulhunn
- · Replies 4 ·
How Do You Make A Ping Pong Launcher?
- DarkWeiss
- · Replies 6 ·
Solving a 2-Dimensional Collision Problem with Momentum Conservation
- yaminohohenheim
- · Replies 5 ·