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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Simple Harmonic Motion - Finding the Phase
- jumbogala
- · Replies 8 ·
Determine Mass of Pulley in Atwood's Machine
- Precursor
- · Replies 5 ·
Why Does Stress Decrease in the Necking Region of Copper Wire?
- greener1993
- · Replies 2 ·
Is time constant, for capacitors, changed by series/parallel connection?
- ZedCar
- · Replies 1 ·
How to Calculate Time with Varying Acceleration Toward the Moon?
- simjor50
- · Replies 10 ·
How Do You Calculate Rocket Acceleration and Altitude After Launch?
- cheerspens
- · Replies 1 ·
Calculating Torque: Which Equation Should I Use?
- doc.madani
- · Replies 4 ·
What happens to energy in a spring when it oscillates?
- tcharger130
- · Replies 1 ·
Bruce Willis vs. helicopter bad guy
- Sigurdsson
- · Replies 5 ·
How Do Harmonic Waves Create Standing Waves and Affect String Vibrations?
- tanzerino
- · Replies 2 ·
Fundamental frequency and temperature
- tanzerino
- · Replies 5 ·
What mass of the ethanol is she freezing?
- MacoRules94
- · Replies 7 ·
Finding the Instantaneous Center of Rotation for Constant Angular Velocity
- 385sk117
- · Replies 1 ·
Finding the power and work needed
- foozeball2468
- · Replies 1 ·
How Do You Calculate Velocity and Acceleration in a Belt and Pulley System?
- 385sk117
- · Replies 1 ·
How do you find the approximate uncertainty of a circle of radius 3.8x10^4?
- steve snash
- · Replies 3 ·
2 mass and veloc type physx problems
- jgoff14
- · Replies 1 ·
Cat and Mouse First Meeting Distance: Solving a Physics Problem
- stripes
- · Replies 2 ·
Sound Level at 4km from Explosion: Calculate & Subtract dB
- semc
- · Replies 1 ·
Simple Harmonic Motion - Two springs attached
- Koey
- · Replies 3 ·
How Does Angled Force Affect Maximum Box Weight on a Frictional Surface?
- erok81
- · Replies 5 ·
Current in a hollow tube problem
- milkman9000
- · Replies 1 ·
Find Rope Tension for Mountain Climber 695N
- ny_aish
- · Replies 3 ·
Charge that a battery transfers between two plates
- jjcm
- · Replies 1 ·
How can dual 4-space modelling provide insight into Wigner's Friend Paradox?
- ManyNames
- · Replies 6 ·
Solving Tension in Two Wires Attached to 200 g Sphere
- juggalomike
- · Replies 9 ·
Total Electric flux on two charges
- squintyeyes
- · Replies 1 ·
Calculate True Mass of Aluminum Using Archimedes' Principle | 4.2000 kg + ___ kg
- Trizz
- · Replies 1 ·
Surface charge density problem
- Linus Pauling
- · Replies 2 ·
Calculating the Average Net Force of a 22g Bullet Fired from a Rifle
- ny_aish
- · Replies 5 ·
Solve Kinematics Homework: Wind Gust Displacement of Sailboard
- devilsangels287
- · Replies 2 ·
Is There an Equation for Velocity?
- GlobalDuty
- · Replies 1 ·
Calculating Work done by a Spring on a Ladle
- mybrohshi5
- · Replies 11 ·
Calculating Horse Power Output for a Sled on an Inclined Hill
- mybrohshi5
- · Replies 4 ·
Give the magnitude of the magnetic field that will.
- warfreak131
- · Replies 1 ·
Magnet in copper tube lab calculations (Lenz's Law)
- Dr. Science
- · Replies 14 ·
How Do You Calculate the Momentum of an Alpha Particle?
- flyboy9
- · Replies 10 ·
Gravitational Potential Energy Loss
- tquiva
- · Replies 4 ·
Understanding Current and its Properties: A Comprehensive Guide
- milkman9000
- · Replies 1 ·
Moving a bar magnet through a coil
- Jimmy25
- · Replies 2 ·
Finding the acceleration when initial velocity is not known.
- tcw46
- · Replies 2 ·
Battery that expires in a circuit
- vipboon
- · Replies 3 ·
Neutron collides elastically with a helium nucleus
- amazondog
- · Replies 4 ·
Kirchoff's current law for an opamp
- -EquinoX-
- · Replies 5 ·
How Is Tension Direction Calculated in a Non-Symmetrically Loaded Fence Wire?
- ny_aish
- · Replies 3 ·
Conservation of Momentum and linear momentum
- x0ji11y
- · Replies 5 ·
Measuring Young's Modulus of Copper Wire: Accurate Method & Critical Analysis
- greener1993
- · Replies 21 ·
Surface Tension (Conceptual Question)
- SpringPhysics
- · Replies 4 ·
"Impulse & Force in Pitcher-Catcher Fastball
- stargirl17
- · Replies 2 ·
Position vector of a moving particle (calc based intro)
- MurdocJensen
- · Replies 4 ·
Entropy change for isobaric heating
- Alvine
- · Replies 1 ·
Circuit/electric potential question
- maccha
- · Replies 6 ·
Why does a magnet move slowly in a copper tube but not in a nonmetal tube?
- ahhppull
- · Replies 3 ·
Resistance of a piece of metal
- 05holtel
- · Replies 3 ·
Calculating Velocity in Inelastic Collisions
- stargirl17
- · Replies 6 ·
Electromagnetism Current Curcuits
- JJBrian
- · Replies 1 ·
Solving Spherical Conductor Homework: E, q, r2, C, ε₀
- jayz618
- · Replies 9 ·
Pulley Problems with Rotation
- A2Fire
- · Replies 2 ·
Collision Velocity Calculation for Box Cars
- stargirl17
- · Replies 4 ·
Calculating Bearing Friction Torque in Winding Drum System
- Simon.T
- · Replies 2 ·
Help Finding Amplitude of Voltage Across Capacitor At Resonant Frequency
- mmmboh
- · Replies 2 ·
How Does Water Depth Influence Wave Speed in Shallow Water?
- cyspope
- · Replies 3 ·
Calculating Recoil Velocity from Alpha Decay
- duke414
- · Replies 3 ·
How do you isolate this equation ?
- calcium12
- · Replies 1 ·
Is 570 Meters a Correct Estimate for the Balloon's Height?
- Daniiel
- · Replies 3 ·
Galactic Rotation and Gas Clouds
- JazzCarrot
- · Replies 2 ·
What is the momentum of an object on an incline?
- stargirl17
- · Replies 2 ·
The Physics of a Stunt Man's Cliff Jump: Solving for Time, Speed, and Distance
- calcium12
- · Replies 1 ·
Understanding Harmonics and Overtones in Closed and Open Pipe Organ Designs
- SeanGillespie
- · Replies 1 ·
What is the average mechanical power output of the engine?
- huybinhs
- · Replies 6 ·
Find the ratio of maximum height to radius of planet
- Elm956
- · Replies 1 ·
Calculating Magnetic Force on a Moving Particle
- inovermyhead
- · Replies 8 ·
Car A & B Velocity: Solving Mechanics Problem
- luysion
- · Replies 1 ·
Maximum angle before rope breaks
- man_in_motion
- · Replies 1 ·
What is the Formula for Calculating Gauge Pressure of Tires?
- furiousd
- · Replies 2 ·
Solving the Inclined Plane Homework Problem
- rechitzy
- · Replies 1 ·
How Much Can a 6ft Man See of His Image in a Mirror?
- SAWiz
- · Replies 1 ·
What Is the Maximum Work a Heat Engine Can Perform in a Cycle?
- GreenPrint
- · Replies 2 ·
Physics Help: Wood Burning, Boiling Eggs, Flooding
- SAWiz
- · Replies 1 ·
LAB: What factors affect a battery's performance?
- wheelybob
- · Replies 2 ·
A Work and Projectile Question
- GreenPrint
- · Replies 1 ·
Physics Help: Calculating Electric Shock Voltage/Current
- Palmtree Panic
- · Replies 9 ·
How much current does the motor draw?
- Sarak
- · Replies 1 ·
Projectile Motion Homework: Calculating Wall Height with Initial Angle and Speed
- anoel
- · Replies 4 ·
Change in internal energy of an inelastic collision.
- flyboy9
- · Replies 3 ·
Calculating Net Torque of Uniform Disk
- copitlory8
- · Replies 1 ·
Conservation of energy - find speed of block
- man_in_motion
- · Replies 4 ·
Rotation of a planet, kinetic energy
- Dotty21690
- · Replies 12 ·
Calculating Magnetic Flux Change for Rotating Wire in Magnetic Field
- tomwilliam
- · Replies 6 ·
Question on electricity. AWESOME
- henglin
- · Replies 2 ·
Current through a circuit with switches
- Physics197
- · Replies 1 ·
Calculating Acceleration on an Inclined Surface: Simplifying Factors and Methods
- Svensken
- · Replies 4 ·
Questions about circuits and Resistors
- taculator
- · Replies 1 ·
Calculating the Efficiency of a Transformer for a Small Appliance
- bleedblue1234
- · Replies 1 ·
How to Calculate the Amplitude of a Resultant Electromagnetic Wave?
- thereddevils
- · Replies 3 ·
Estimating Quality Factor Q of a Tuning Fork | Homework Help
- bon
- · Replies 1 ·
Find Time: Constant Acceleration
- attriola
- · Replies 11 ·
Calculate the tension of the blocks
- allora_97
- · Replies 1 ·
Acceleration of gravity problem
- allora_97
- · Replies 2 ·