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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Are These Forces Conservative?
- geoffrey159
- · Replies 8 ·
Conservative Forces - Maths of Force & Energy
- geoffrey159
- · Replies 3 ·
Final velocities from head elastic head on collisions
- henry3369
- · Replies 4 ·
Circular motion and work done by non conservative forces
- henry3369
- · Replies 4 ·
Circular motion, tension and angular speed
- Quadrat
- · Replies 16 ·
Force to raise a cylinder over an edge
- Karol
- · Replies 10 ·
Solve Latent Heat of Fusion Homework Problem
- stephenranger
- · Replies 7 ·
What is the work done by a tow truck pulling a car 1 km?
- Calpalned
- · Replies 3 ·
How Do You Calculate the Focal Length of a Concave Mirror with a Moving Image?
- premed_love
- · Replies 13 ·
Angular momentum and Quantum Number l
- krawls30
- · Replies 9 ·
SHM Question: What is the maximum extension of the spring?
- Alex Cooper
- · Replies 1 ·
Calculate the equivalent resistance
- Sylvia
- · Replies 5 ·
Help me calculate the speed of the basketball
- Archit
- · Replies 4 ·
How long does it take for the car to catch up to the truck on a straight track?
- Bry2323
- · Replies 19 ·
Electric flux through cubical box
- toothpaste666
- · Replies 5 ·
Fluid Mechanics: Hydrostatic Pressure on a gate with hinges
- Feodalherren
- · Replies 11 ·
Archived Vernier Caliper & Micrometer: Mr.Randall's Sig Fig Advice
- pgoel
- · Replies 2 ·
Conservation of relavistic energy
- Samuelriesterer
- · Replies 34 ·
Ocean waves parallel to the shore
- PhysicsKid99
- · Replies 2 ·
Finding angle required for equilibrium on a slope
- tissuejkl
- · Replies 12 ·
Calculating Wave Speeds of Steel Guitar Strings
- Ignis Radiis
- · Replies 2 ·
Solving for different masses in pulley system with KE
- jb007
- · Replies 5 ·
Simple harmonic motion oscillate. What is the total energy
- firezap
- · Replies 1 ·
Minimal force to turn over a tube
- Karol
- · Replies 2 ·
Angular Momentum: Puck Spinning
- minimario
- · Replies 6 ·
AC to DC Conversion: Determining Expected Q Factor
- whale
- · Replies 5 ·
Electric field between two metal plates
- toothpaste666
- · Replies 4 ·
Hi/ho problem -- Lens magnification
- premed_love
- · Replies 13 ·
Atwood machine at rest and released
- Poetria
- · Replies 8 ·
How far bullet travels in 2,5 seconds
- whatdoido
- · Replies 4 ·
Frequency of sound waves from vibrating wire
- whatisreality
- · Replies 6 ·
Kinetic energy & speed in a pursuit - Ek possible to find?
- Tyrannosaurus_
- · Replies 9 ·
Conservation of Energy in circular motion
- terryds
- · Replies 41 ·
Waves Find the phase constant from the graph.
- firezap
- · Replies 10 ·
Is my interpretation good? simple Kinetic E problem
- Tyrannosaurus_
- · Replies 6 ·
A non-conducting sphere, e-field and potential.
- timnswede
- · Replies 8 ·
How Do You Calculate the Velocity Components of a Sailboat Affected by Wind?
- iSimply
- · Replies 11 ·
Potential difference across two points in a circuit
- plazprestige
- · Replies 11 ·
Calculating Force and Acceleration for a Yoyo and Clock
- Julia Darko
- · Replies 8 ·
Collision of 2 balls on frictionless surface
- jojotank
- · Replies 8 ·
Fluid Mechanics: Manometry - Fluid through a pipe
- Feodalherren
- · Replies 6 ·
Two ropes hold a 200N weight. Find the tension in each rope.
- Chrishtofu
- · Replies 1 ·
Why isn't current negative in this example?
- x86
- · Replies 1 ·
Superposition principle for potential?
- timnswede
- · Replies 25 ·
Coefficient of friction between cylinders
- Karol
- · Replies 13 ·
Expectation value of momentum for bound states
- blue_leaf77
- · Replies 6 ·
Finding the voltage of a circuit
- x86
- · Replies 2 ·
Faraday's and Lenz's law application
- cseil
- · Replies 2 ·
Force reactions of balls in a tube
- Karol
- · Replies 3 ·
Calculating the Force Constant of a Bungee Cord Using Newton's Laws
- evber
- · Replies 6 ·
Brightness of lamp connected to transformer
- songoku
- · Replies 17 ·
Normal force of a bead moving around a horizontal ring
- laurenm02
- · Replies 6 ·
Solving the Force on a 2kg Object on an Inclined Plane
- brake4country
- · Replies 11 ·
Venturi, how does fluid go from low P tube to high P tube
- M_Saint
- · Replies 1 ·
Solving for Φ(k) in Quantum Fourier Transform with ψ(x,0)=e^(-λ*absvalue(x))
- chris2020
- · Replies 2 ·
Proving Newton's third law invariant with Galilean tranfrom
- AllRelative
- · Replies 2 ·
Waves in a vertical hanging string
- Summer95
- · Replies 3 ·
Calculating velocity for water pressure
- arpon
- · Replies 21 ·
Oscillating springs in relativistic time frame
- Samuelriesterer
- · Replies 11 ·
Interpret results of suspended mass / tension problem please
- Tyrannosaurus_
- · Replies 3 ·
Statics problem involving several forces
- mechanim
- · Replies 12 ·
Yet another statics problem involving several forces
- mechanim
- · Replies 6 ·
Finding the Index of Refraction in a Prism
- Fan
- · Replies 1 ·
Centripetal Force: Speed Change w/ Doubled Radius & Force
- brake4country
- · Replies 6 ·
How do I compute jerk in 2D space for a mouse tracking task?
- YoYojimbo
- · Replies 3 ·
Specific Heat Capacity of water in a kettle
- Dave Jones
- · Replies 8 ·
How Do We Determine the Type of Motion in a Crane Lifting Scenario?
- stephenranger
- · Replies 15 ·
Finding kinetic energy consevered after collision
- qwerty5050
- · Replies 4 ·
Find missing force for accelerating electron
- Trina
- · Replies 11 ·
What's the distance a sphere travels from inclined plane?
- GrimesA
- · Replies 24 ·
How Does Acceleration Relate Between Two Blocks in a Frictionless Pulley System?
- judas_priest
- · Replies 45 ·
Optimizing Camera Flash Performance: The Role of RC Circuits
- Lucille
- · Replies 4 ·
How do Kirchhoff's Rules apply to a circuit with multiple resistors in series?
- Sylvia
- · Replies 3 ·
Which Object is the Most Dense Based on Given Measurements?
- Drakkith
- · Replies 7 ·
Potential difference between wire and ground
- timnswede
- · Replies 6 ·
Lowest pressure that the student's lungs can create?
- Dennydont
- · Replies 21 ·
Total area of contact between tires and ground?
- Dennydont
- · Replies 15 ·
Coloumb's Law and Electric Dipoles question
- John Yi
- · Replies 3 ·
What is the kinetic friction coefficient?
- Kailee
- · Replies 3 ·
What Is the Minimum Energy for Neutron Production in a Lithium-Helium Collision?
- geoffrey159
- · Replies 3 ·
Pulling a cylinder - find final angular velocity
- RightFresh
- · Replies 16 ·
2D conservation of Energy and Momentum with *Three* unknowns
- Sjoyes
- · Replies 19 ·
Energy grade line for a pump system
- theone
- · Replies 1 ·
[QM] Addition of spin for normal and identical particles
- Coffee_
- · Replies 5 ·
1D Collision / Charges / Coulomb's Law
- julianwitkowski
- · Replies 13 ·
Probability density for related variables
- diegzumillo
- · Replies 2 ·
Two cylinders in contact come to final angular velocities
- Taylor Grubbs
- · Replies 2 ·
What is the velocity of the air flowing though the pipe?
- Siebo
- · Replies 12 ·
Finding distance -- Find the height of an object given ratio of two distances
- D.Man Hazarika
- · Replies 2 ·
What are the dimensions of A and B in the equation x = At2{1-exp(-t2/B)}?
- snovak216
- · Replies 9 ·
Rutherford's atom experiment problem
- Dana Fishel
- · Replies 4 ·
QM, the convergence of the harmonic oscillator function.
- Coffee_
- · Replies 2 ·
Free Fall - Calculating Origin/Release
- Tearsandrille
- · Replies 10 ·
How to find angle Electric field makes to x-axis?
- Dana Fishel
- · Replies 7 ·
Transvese Velocity of a Standing Wave
- Bassa
- · Replies 1 ·
Integration of an acceleration formula involving vectors
- EnlightenedOne
- · Replies 26 ·
Graphing Current v. Time for simple 2R1C circuit
- friendbobbiny
- · Replies 5 ·
Finding binding energy and converting into MeV
- Curious&TheNon
- · Replies 5 ·
Calculating Coefficient of Static Friction to Keep Glider from Springing Back Left
- henry3369
- · Replies 16 ·
Mastering Projectile Motion Equations: A Comprehensive Guide
- TimeInquirer
- · Replies 6 ·