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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Calculate Electric Field from a Coiled Wire and Loop
- smahapatra3
- · Replies 2 ·
Conical Pendulum Problem: Mass, Length, and Revolutions Per Minute
- mohamed1993
- · Replies 1 ·
Circular motion - Edexcel Past Question (Jan 2010)
- jsmith613
- · Replies 1 ·
Solving Water Flow in a Taper Pipe Problem
- PhysicsCCR
- · Replies 1 ·
Motional emf, Gaussian flux, and lenz's law help
- Turpulus
- · Replies 3 ·
Air resistance/velocity problem
- Kawakaze
- · Replies 6 ·
Proving Constant Angular Velocity and Acceleration in Circular Motion
- jiboom
- · Replies 22 ·
Understanding Tangent Vectors for Discs: Deciphering (1 -1 0)T
- Leb
- · Replies 2 ·
Why is the Heisenberg uncertainty principle fundamental to nature?
- BenkoCH
- · Replies 6 ·
Pulley dynamics problem 12-205 Hibbeler
- issacnewton
- · Replies 2 ·
Basic physics/ wavelength and displacement questions
- Noirchat
- · Replies 15 ·
What is the current in Resistor2?
- DuckAmuck
- · Replies 10 ·
The Rotational Inertia of a Merry Go Round
- acg515
- · Replies 1 ·
What Does PV=nRT Reveal About Gas Behavior in Different Volumes?
- babita
- · Replies 1 ·
Frequency of sound in a pipe question
- magiclink
- · Replies 5 ·
Pion in rest frame and lab frame
- monke
- · Replies 4 ·
What is the SI unit for refractive index?
- kindaichi
- · Replies 6 ·
Conservation of engery and work
- Ereny
- · Replies 10 ·
Calc-Physics 212: Charge Distribution Geometry of a Circle
- Charlie5280
- · Replies 1 ·
What is this unique op-amp's name and how do I find Vout?
- Femme_physics
- · Replies 63 ·
Finding magnification, object distance from the mirror, and radius of curvature
- jkeyes2
- · Replies 2 ·
Calculating Initial Momentum and Speed of Colliding Railroad Cars
- domyy
- · Replies 16 ·
Solving for Final Momentum and Velocity of a Baseball-Bullet Collision
- domyy
- · Replies 5 ·
Find spring constant of spring in N/m.help
- Cougar1112
- · Replies 13 ·
Do you think this is correct? Momentum and Recoil Velocity Calculations
- domyy
- · Replies 1 ·
Force on a point charge at the tip of a solid uniformly charged insulating cone
- tripleM
- · Replies 1 ·
What is the Correct Equation for Circular Motion with a Pendulum?
- zaddyzad
- · Replies 17 ·
Calculating Work Load: 55kg Mass Walking up 20 Steps
- SailorMoon01
- · Replies 3 ·
Max Friction: Calculating Car's Min Turning Radius
- WeldingWoman
- · Replies 6 ·
Solving Star Resistor Configuration Problem
- Genericcoder
- · Replies 9 ·
Interception of a poliece car with speeder from rest
- lam4595
- · Replies 2 ·
Conservation of engery and work 2.
- Ereny
- · Replies 9 ·
Does Insulation Increase a Sphere's Surface Temperature During Cooling?
- JWS
- · Replies 2 ·
A mass between two springs-simple harmonic motion
- cnputhur
- · Replies 2 ·
Magnitude of force within thermally expanding restrained bar
- AnnaWerner
- · Replies 3 ·
Two balls same radius and mass rolling down a slope
- Nina87
- · Replies 2 ·
[Quick] At what capacitance will the current in the resistor be a maximum?
- Sean1218
- · Replies 1 ·
How to Calculate Heat Needed to Convert Ice to Steam at Different Temperatures?
- domyy
- · Replies 4 ·
How Do You Calculate the Wavelength of Colliding Waves?
- ixerr
- · Replies 3 ·
Latent Heat and phase changes (difficult)
- ScienceGeek24
- · Replies 1 ·
How Do You Calculate the Launch Angle for Intersection of Two Moving Objects?
- cloj63
- · Replies 2 ·
What is the Path Difference: Waves
- ixerr
- · Replies 1 ·
Verifying information on Archimedes
- fessia175
- · Replies 1 ·
Block and tackle and tension forces
- Hernaner28
- · Replies 11 ·
Adiabatic Process: Derive Temp Change w/ Pressure
- KingBigness
- · Replies 1 ·
How Do You Calculate Efficiency and Work in the Carnot Cycle Using a TS Diagram?
- 26xc37
- · Replies 1 ·
Magnetic Field of a Straight Current Carrying Conductor
- forestmine
- · Replies 2 ·
Calculate the work done according to the graph.
- ScienceGeek24
- · Replies 1 ·
Find the Centripetal Acceleration at 2.5m from a Rotating Platform
- rafay233
- · Replies 6 ·
Suspension cable statics calculus problem
- Femme_physics
- · Replies 16 ·
Calculate the speed of a projectile from the angle and maximum height.
- Shadow37
- · Replies 8 ·
How Do You Calculate Electric Force and Acceleration Between Charges?
- bfmcgee92
- · Replies 1 ·
Vector Model of Angular Momentum
- Rapier
- · Replies 1 ·
Ap physics questions on basic kinetics and Newtons second law
- nadinelyab
- · Replies 1 ·
Pendulum with two springs and a stick
- dat240
- · Replies 10 ·
Force on projectile along rails (Railgun)
- EmBista
- · Replies 10 ·
Will the train's cargo slam into the front of the boxcar?
- mizzou0222
- · Replies 4 ·
Are Newton's Laws Applicable to Component Forces and Resultant Acceleration?
- Mdhiggenz
- · Replies 1 ·
What is the impedance of the circuit?
- Sean1218
- · Replies 4 ·
Spherical mirror;find focal length from given data?
- vkash
- · Replies 3 ·
Need conversion and specific heat?
- forumasker
- · Replies 2 ·
How much heat is released from water into ice.
- ScienceGeek24
- · Replies 3 ·
Rotational kinetic energy with no friction
- rfkstata
- · Replies 1 ·
Calculating Falling Object's Time to Reach Ground
- maca_404
- · Replies 6 ·
Will Dropping His Coat & Boots Help Him Slide Faster?
- Moose100
- · Replies 11 ·
Predicting Collisions of 2 objects
- shockawave
- · Replies 1 ·
Resistance in an octahedron between two points.
- zeralda21
- · Replies 1 ·
Two springs and the energy question
- coldpay
- · Replies 5 ·
How Should You Correctly Input Trigonometric Ratios in a Calculator?
- junkie_ball
- · Replies 1 ·
Electric field inside the cavity of a sphere.
- Mitadru Banik
- · Replies 2 ·
Frictionless pulley system: same tension changing masses
- rahrahrah1
- · Replies 1 ·
Refraction of a beam of parallel light in a thick-walled wine goblet
- NickP89
- · Replies 23 ·
Torque/ find the coefficient of friction
- Mdhiggenz
- · Replies 9 ·
Parallel wires and forces acting upon them
- magiclink
- · Replies 1 ·
Center of Gravity of a Carpenter's Square
- hardygirl989
- · Replies 4 ·
How Does a Rolling Cylinder Affect the Acceleration of a Slab?
- el professor
- · Replies 7 ·
Why Is Answer A Correct for the Oscillation Problem?
- magiclink
- · Replies 3 ·
Electric field - multiple choice - Physics Unit 4 Specimen
- jsmith613
- · Replies 1 ·
Derive equation of trajectory of a body around a fixed body attracted by gravity
- gupta.shantan
- · Replies 2 ·
Conservation of angular momentum pre lab help
- Triathlete
- · Replies 8 ·
Need Help with double solenoid magnetic field question
- Turpulus
- · Replies 9 ·
Electro dynamics, E/B fields inside wire
- Greger
- · Replies 16 ·
Help With Physics Terms (Nuclear)
- physiczboi
- · Replies 3 ·
Finding the moment of inertia for a specific figure (illustrated)
- PhyIsOhSoHard
- · Replies 1 ·
Polarity of a horseshoe shaped solenoid
- Abigaile
- · Replies 3 ·
Time dilation - Lorentz transformation using light clock
- kapitan90
- · Replies 2 ·
Why does the wheel roll without sliding when accelerating?
- rainstom07
- · Replies 4 ·
Rectilinear Motion Take-Home Exam - DEAD END
- mizzou0222
- · Replies 1 ·
Rail gun and magnetic field question
- Turpulus
- · Replies 1 ·
Efficiency of a Crane: Calculating Power and Percentage Efficiency
- workandenergy
- · Replies 1 ·
How much energy is stored by C2?
- wondermoose
- · Replies 1 ·
How Do You Find x(t) for a Particle Under Force F(t) = mae^(-bt)?
- phys2
- · Replies 1 ·
Static Equilibrium On a Beam Question
- hardygirl989
- · Replies 3 ·
The position of a 2.75x10^5 N training helicopter under test is given by
- Mdhiggenz
- · Replies 3 ·
Finding equilibrium temperature of water and a solid
- Julianj
- · Replies 3 ·
Magnetic field on the axis along the plane of loop
- wytang
- · Replies 2 ·
Confirmation for Simplifying Vector Product: Can Constants be Taken Out?
- fishspawned
- · Replies 2 ·
Coulomb's Law Question grade 12
- jbjohnybaker
- · Replies 1 ·
I need to find a velocity for a given t value, from a linear acceleration graph
- Andrew22
- · Replies 4 ·