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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What speed should you push the box
- mullets1200
- · Replies 1 ·
Tray demonstration experiment explanation
- ahhppull
- · Replies 4 ·
Gravitation Problem, velocity of object on impact
- rzwhipple
- · Replies 4 ·
How Is Tension Calculated in a Pulley System with Multiple Masses?
- mparsons06
- · Replies 1 ·
Kinematic Motion: How Far and How Fast Does Tina Drive Before Passing David?
- optoracko
- · Replies 1 ·
Force Problem of normal force of the table
- mullets1200
- · Replies 1 ·
How to calculate work from force applied at downward angle and friction
- Chris Mexas
- · Replies 1 ·
Light waves represented by coils
- phyzwiz69
- · Replies 1 ·
Why are ∫x′dm and ∫y′dm zero in the parallel axis theorem proof?
- jolt527
- · Replies 6 ·
Solving Physics Problem - Wrong Answer for F2
- Ryuk1990
- · Replies 7 ·
Find the x-component of the magnetic force on the wire
- Charanjit
- · Replies 2 ·
Regarding calculation of sound wavelenth
- angeeya
- · Replies 4 ·
Finding inductance from VL and triangular input in an RL circuit
- mathman44
- · Replies 2 ·
Finding electric field from two point charges at point P
- RonakPat
- · Replies 5 ·
Centripetal force exerted on Earth
- electronicxco
- · Replies 2 ·
How Does Air Temperature and Pressure Affect Density Calculations?
- Claire_01
- · Replies 1 ·
How Far Do Dishes Move During a Tablecloth Trick?
- bhatch1
- · Replies 2 ·
Electric circuit - time constant to charge
- seb26
- · Replies 6 ·
Rubber Band Powered Mass Transporter
- Zephyr
- · Replies 2 ·
Distance of closest approach in alpha-lead collision
- SuperCass
- · Replies 3 ·
Pushing blocks - static friction, force, and accel
- mybrohshi5
- · Replies 21 ·
Three equal-mass pool balls in elastic collision: which assumptions are valid?
- atarr3
- · Replies 1 ·
Finding m and n for parallel and perpendicular vectors
- Aske
- · Replies 5 ·
How Does Wind Speed Affect Airplane Navigation?
- barthayn
- · Replies 3 ·
Find the accleration of gravity on planet Zircon.
- zeromodz
- · Replies 1 ·
Electric field of a linear charge on the axis of the line segment
- MyAmpsGoTo11
- · Replies 2 ·
CRT electron deflection angle between the plates
- SuperCass
- · Replies 4 ·
What is the relationship between Hooke's law and compression?
- Kamilan
- · Replies 2 ·
Conceptual question: translational and rotational equilibrium
- laica
- · Replies 2 ·
Bee ball thermal radiation energy per bee at 47°C
- lordloss
- · Replies 1 ·
Calculating Mass Using Standing Waves on a Suspended Wire
- physnoob
- · Replies 1 ·
Net work on cargo canister with three forces over 2.70 m
- MFlood7356
- · Replies 7 ·
Error propagation for (V0-V)/V with correlated terms
- SimpliciusH
- · Replies 3 ·
How is Energy Defined for a Massless Particle?
- khkwang
- · Replies 2 ·
How to Calculate Mechanical Energy Lost During a Fall?
- zelda1850
- · Replies 2 ·
Young's Modulus - estimate elastic limit
- ZedCar
- · Replies 7 ·
How Does Kirchhoff's Loop Rule Apply to Multi-Battery, Multi-Loop Circuits?
- r_swayze
- · Replies 1 ·
Change in velocity and average acceleration for three-leg trip
- Bryan9129
- · Replies 6 ·
Force between Cheerios and Wheaties boxes on a surface
- mcg5132
- · Replies 1 ·
Circuits with Series/Parallel Wiring
- r_swayze
- · Replies 3 ·
How Does a Pulley Find Its Equilibrium Position in a Static System?
- benf.stokes
- · Replies 2 ·
Finding impedance and peak voltage in an RLC circuit
- mmmboh
- · Replies 5 ·
Easy Question on Magnetic Force of Electron
- alvarez16
- · Replies 1 ·
Using kirchoffs laws to find current
- victoriafello
- · Replies 15 ·
Coulomb's Law & Charge: Deriving Q Formula
- dom192
- · Replies 1 ·
Finding the eigenvalue of d²/dx² for ψ = e^(2x)
- stagger_lee
- · Replies 1 ·
Change in gravitational potential energy for satellite at 35,786 km altitude
- sheepcountme
- · Replies 7 ·
Box Acceleration with Multiple Forces
- allora_97
- · Replies 2 ·
How Does Mass Affect Acceleration and Deceleration in a Lorry?
- RoryOBigtool
- · Replies 3 ·
Can Fish Reach Sonic Boom in Water?
- dymand68
- · Replies 2 ·
Calculating Headstart for a Cheetah Chasing an Antelope
- aydemir
- · Replies 2 ·
Calculating the Distance Traveled by a Falling Object on an Airplane
- waterwalker10
- · Replies 2 ·
Truck Average Velocity Calculation - 400m North, 300m East in 80s and 70s
- ƒ(x)
- · Replies 7 ·
Find Velocity for Parametric Equations with t = 2s
- the pro
- · Replies 4 ·
Solving String SHM in Homework: Period & Speed
- Chewy0087
- · Replies 5 ·
Solving for Kinetic Energy on an Inclined Plane
- zelda1850
- · Replies 8 ·
Solving the Physics of an Object's Slide
- barthayn
- · Replies 13 ·
How Do Electric Fields Affect Electron Kinematics?
- jpierce879
- · Replies 3 ·
Centripetal Motion on a Semi-Rollercoaster
- Procrastinate
- · Replies 1 ·
Why does a wave entering a slit form point sources in Huygens' principle?
- Toby_Obie
- · Replies 1 ·
Simple Pendulum Problem: Finding Tension in the Connecting Rod
- demonelite123
- · Replies 3 ·
How to find solar insolation in the IR spectrum
- pondwire
- · Replies 1 ·
Projectile Motion with different starting and ending heights
- kayman121
- · Replies 3 ·
What is the Net Force on a Block on a Moving Incline?
- AirForceOne
- · Replies 12 ·
Anybody know the formula for the Magnus Effect?
- plutonyum94
- · Replies 1 ·
Steel ball floating due to surface tension?
- magnusbarclay
- · Replies 4 ·
Finding particle position at t = 2.70 s and t = 2.70 s + Δt for x = 6t²
- GlobalDuty
- · Replies 1 ·
Simple Free Body Force Diagram + Friction Question
- Procrastinate
- · Replies 7 ·
How Is Kinetic Friction Calculated in Skier's Uphill Motion?
- onyxorca
- · Replies 4 ·
Calculating Resistance in a Circuit: Easy Physics Problem Solution
- alvarez16
- · Replies 1 ·
What is the capacitance of the two metal spheres
- hover
- · Replies 6 ·
What is the Electric Field in a Hollow Sphere with a Point Charge at the Center?
- reising1
- · Replies 5 ·
Why does blue light refract more than red light?
- Jamez
- · Replies 5 ·
How Do You Calculate the Density of a Proton?
- GlobalDuty
- · Replies 2 ·
Kepler's Third Law satellite problem
- bonekrushur
- · Replies 2 ·
Calculating Mass and Force: A Pulley Problem
- redlightgreen
- · Replies 2 ·
What Is the Electric Field Near a Charged Rod?
- DeadFishFactory
- · Replies 3 ·
Can you solve for tension using these formulas?
- electronicxco
- · Replies 1 ·
Tension on two cables holding a weight
- bran8015
- · Replies 2 ·
Designing an AC Ammeter: How to Find the Appropriate Resistance?
- noobie!
- · Replies 1 ·
Kinetic Energy of Molecules Escaping Through Hole
- TheAmorphist
- · Replies 1 ·
Electric Field value at distances from charge or plate.
- Blaze3742
- · Replies 3 ·
Jumping off the front of a boat
- fish399
- · Replies 4 ·
How do I calculate the work done by gravity on a tossed ball?
- Staerke
- · Replies 2 ·
Calculating Tensions in a Two-Rope System Supporting a Steel Beam
- Cursed
- · Replies 3 ·
Balmer, Lyman, and Paschen series
- warfreak131
- · Replies 4 ·
Calculate INERTIAL MASS of proton traveling close to speed of light
- LBRRIT2390
- · Replies 2 ·
Max difference L2 - L1 for runner 1 to be faster
- GunnaSix
- · Replies 1 ·
How Do You Calculate the Total Acceleration of a Car on a Circular Path?
- jab2102
- · Replies 1 ·
Magnetostatics - Rotation of circular disc
- Keano16
- · Replies 2 ·
Bicyclist distance with constant acceleration of 2.30 m/s²
- Awsom Guy
- · Replies 13 ·
Finding the Minimum Distance Between Two Projectiles in Projectile Physics
- aim1732
- · Replies 2 ·
Solving the Physics Puzzle: Cycling and Driving Velocities
- twenty-ten
- · Replies 2 ·
Particle in Stable/Unstable Motion, Find Frequency of Oscillation
- Oijl
- · Replies 1 ·
Finding Angular Frequency of Small Oscillations about an Equilibrium
- Oijl
- · Replies 1 ·
Launch velocity of the projectile
- Awsom Guy
- · Replies 2 ·
What Are Mesons and Baryons in Particle Physics?
- lampshader
- · Replies 1 ·
Calculating Tensions in a Beam Supported by Two Wires
- y3ahright
- · Replies 3 ·
Nichrome wire heater length and AC light bulb power
- Marcelgluch
- · Replies 1 ·
Thermal energy power station problem
- dymand68
- · Replies 2 ·