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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Potential Difference of C2: 9V Capacitors in Series
- tag16
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Why Do Beats Occur When Tuning String Instruments?
- mhmil
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How to Calculate Final Volume and Pressure in Isothermal Process"
- mrmonkah
- · Replies 5 ·
Dynamics of Uniform Circular Motion Quesiotn
- kraigballa
- · Replies 5 ·
Ferris Wheel acceleration Problem
- JoshMP
- · Replies 9 ·
Derivation of y(x,t)=Asin(kx-wt)
- Point Conception
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Find Acceleration Experimentally
- Power of One
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Quantum Mechanics of wave function and probability rationals
- xxxxxx
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Finding maximum kinetic energy with variable force F(x) = 7.6 - x²
- tigerlili
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Conservation of momentum problem in variable.
- CandyApples
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Find Initial Speed of Porsche Using Inelastic Collision
- 7skk
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Finding coefficient of friction and acceleration for pushed block
- hisoko
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Determine Initial Velocity of Rocket: Range 300 km, Height 100 km
- swirly90
- · Replies 4 ·
How Far Will a Thrown Rock Travel and Will It Clear a Fence?
- Pi Face
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Finding the relationship between accelerations in a pulley system
- Juan Pablo
- · Replies 2 ·
Sliding down a hill with friction
- PhysicsMark
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Distance with Initial Velocity other then 0
- Chuck Norris
- · Replies 6 ·
Boy pushing 5-kg machine at 30° below horizontal
- jiwon
- · Replies 1 ·
Electric Field: Find Electric Field from 2 Infinite Planes
- nns91
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Object against wall with horizontal force acting on wall
- chenying
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Projectile Motion: Hitting a box with a softball
- indietro
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Newton's Third Law-two masses on a wedge
- jiwon
- · Replies 1 ·
Newtonian - Force, Gravity, and Bungee Jumping
- staycrunchy
- · Replies 3 ·
Time required to charge a capacitor
- Liketothink
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How Far Must the 30 kg Child Sit for Seesaw Equilibrium?
- Fabio233
- · Replies 9 ·
Winch lifting 40kg and 10kg masses with friction and tension
- Netbus
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Speed and induced EMF of spacecraft orbiting a pulsar
- balling12
- · Replies 1 ·
Calculating Vector Components for an Airplane's Trajectory
- samxel
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What is the angle [theta] for the tug B in the given diagram?
- fs93
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Kinematics: Throwing ball up the building with unknown initial velocity
- corporateflea
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Solving for initial velocity in an inelastic equation
- tjohn101
- · Replies 10 ·
Energy and Rotational Inertia Question
- ForceSith
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Principle Quantum Number Question
- wilson_chem90
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Pythagorean triplet and vectors
- you_of_eh
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How does adding a block to a spring affect its stiffness?
- caitbaby23
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Solve Force of 4.7 N on 17 kg Body Work Problem
- tigerlili
- · Replies 2 ·
Physics Kinimatics/Energy Question
- davidkis
- · Replies 1 ·
How Do You Calculate the Frequency of Oscillation for a Resonating Air Column?
- mohit.choudha
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Finding friction - block attached to ball
- Kaxa2000
- · Replies 4 ·
How can I rearrange the equation to solve for time?
- einsteinette
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How Do Velocity and Acceleration Change When a Ball Falls?
- @d@m
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Finding Kinetic Energy From A Graph
- danest
- · Replies 5 ·
Find Power Absorbed by Element X in Figure
- KillerZ
- · Replies 1 ·
Launching object into space (simple)
- Nal101
- · Replies 4 ·
Elastic collision between two balls with two unknowns
- tjohn101
- · Replies 6 ·
Why does Gauss's law need the cylinder close to the conductor's surface?
- RoyalCat
- · Replies 6 ·
Calculating Velocity of a Projectile 0.1s Before Hitting Ground
- 1irishman
- · Replies 5 ·
Kicking a ball off a spherical rock (without hitting it on the way down )
- teddy75
- · Replies 15 ·
Circular wire loop with current where net B field is zero
- Skye77
- · Replies 5 ·
Bullet passing through one block and embedding in another
- Zhalfirin88
- · Replies 4 ·
Question on Fluid Pressure in Pipes
- !Live_4Ever!
- · Replies 1 ·
How Does Grounding Affect Charge Distribution on a Metal Sphere?
- songoku
- · Replies 10 ·
Coefficient of friction of a ramp
- maladroit
- · Replies 4 ·
How Do You Calculate Work and Power for a Moving Object?
- danest
- · Replies 1 ·
Minimum wavelength when electrons strike phospor
- songoku
- · Replies 6 ·
Elastic Collision Of Uneqal Masses
- Warmacblu
- · Replies 11 ·
What is the Average Induced EMF in a Rotating Coil?
- jemerlia
- · Replies 3 ·
Redraw Circuit: Consolidate Nodes for Min #
- KillerZ
- · Replies 2 ·
Curvilinear Motion Homework: Normal & Tangential Accel. & Radius
- KillerZ
- · Replies 6 ·
Electrostatics: work moving point dipole
- Bapelsin
- · Replies 1 ·
Three equal weights connected by strings in equilibrium
- IncognitoSOS
- · Replies 5 ·
What Is the Tension and Kinetic Friction in This Blocks and Pulleys System?
- FabricWarp
- · Replies 2 ·
Question: Determining absolute zero with a piston
- PrinceOfDeaf
- · Replies 1 ·
Determine the translational and rotational motion
- LBloom
- · Replies 1 ·
What Is the Mass and Initial Velocity of Car 1 After Collision?
- CandyApples
- · Replies 3 ·
Projectile Motion - Particle Acceleration
- Osbourne_Cox
- · Replies 13 ·
Some Basic Conceptual/Philosophical Questions on Special Relativity
- Sam_Goldberg
- · Replies 1 ·
Work and power from a 7.2 N force over three seconds
- danest
- · Replies 6 ·
Circular Motion: On a Ferris Wheel
- r34racer01
- · Replies 3 ·
Bullet and a mass on a string. conservation problem.
- Dissonance in E
- · Replies 12 ·
How to determine impedance and resistance of a passive black box circuit
- prescott2006
- · Replies 5 ·
Straight wires carrying current
- Neophyte7
- · Replies 6 ·
Finding the Equilibrium of a Spring in Water with a Connected Block
- songoku
- · Replies 4 ·
Projectile Motion, Finding the Angle
- needlottahelp
- · Replies 3 ·
Finding currents and power in a circuit with dependent source
- Imposta
- · Replies 2 ·
Finding initial velocity of a 1.5g bullet with 500N force over 20m
- meadman
- · Replies 3 ·
How Tall Was the Initial Fall in a Physics Problem?
- ryno2107
- · Replies 1 ·
How Do You Calculate Power and Resistance in Electrical Circuits?
- Imposta
- · Replies 1 ·
Force and coefficient of friction problem
- demonelite123
- · Replies 2 ·
Find minimum initial velocity of object
- rajesan
- · Replies 1 ·
How Does Electric Field Behave Inside a Uniformly Charged Sphere?
- theowne
- · Replies 1 ·
Car accelerates to pass a bus: when does the car completely clear it?
- 1irishman
- · Replies 10 ·
Finding acceleration and energy for 3 kg mass pulled up 28° ramp by pulley
- ZaneW
- · Replies 3 ·
Bernoulli's Equation and fire hose
- ChemIsHard
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How Do You Calculate the Initial Velocity of an Arrow?
- meadman
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What is the magnitude of the net force acting on the kayak?
- Marcelgluch
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Multiparticle system, KE and PE, distances before/during/after fission
- karobins
- · Replies 5 ·
Solar Luminosity: Calculating Sphere of Light Illuminating Earth's Orbit
- newsflash
- · Replies 1 ·
How to Solve a Friction and Tension Problem in Physics
- tmt1993
- · Replies 2 ·
Force/Projectile Motion Problem
- JoshMP
- · Replies 3 ·
Flux - simple integral computation
- quantum13
- · Replies 1 ·
Calculating Passing Time of Accelerating Car and Bus
- 1irishman
- · Replies 7 ·
Tension, 2 masses, 2 cords hanging vertical
- gablec2
- · Replies 3 ·
Find the frequency and wavelength of a 100 MeV gamma ray photon
- BeckyG
- · Replies 8 ·
Easy Circular Motion Problem that I can't get right
- intriqet
- · Replies 1 ·
How Do You Solve This Newton's Third Law Problem Involving Friction and Tension?
- irNewton
- · Replies 7 ·
During a tornado, softer objects are driven through apparently harder objects
- Dmitri10
- · Replies 1 ·
Balancing Charges on Identical Spheres
- Tridius
- · Replies 5 ·
Tension and acceleration with 9.8-kg watermelon and 8-kg pumpkin on pulley
- mashoema
- · Replies 3 ·
Calculate the frequency, energy, and number of photons emitted by a DVD player's laser?
- crybllrd
- · Replies 14 ·