Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Calculating Tire Pressure: Ideal Gas Law and Temperature Change
- zcabral
- · Replies 3 ·
What Is the Jumper’s Speed at 12.5 m Above the Water?
- sillydude
- · Replies 2 ·
What Speed Range is Safe for a Car on a Wet, Banked Curve?
- Hydroshock
- · Replies 3 ·
Is the Period of a Charged Particle in a Magnetic Field Speed-Dependent?
- soul5
- · Replies 1 ·
Positioning of a concave mirror
- pmmiller14
- · Replies 8 ·
Heat Transfer, Blackbody Radiation
- tiffancy1
- · Replies 1 ·
I think this is an energy problem
- slammedtgs
- · Replies 9 ·
Maximizing Rotation: Solving the Clay & Pivoting Rod Problem
- bcjochim07
- · Replies 8 ·
What Happens to the Cube's Velocity After Colliding with a Pivoting Rod?
- bcjochim07
- · Replies 5 ·
Calculating Electron Motion in an AM Radio Broadcasting Circuit
- WPCareyDevil
- · Replies 2 ·
Elastic and Inelastic: Finding Maximum Spring Compression
- 1831
- · Replies 7 ·
Why is this wrong THRUST? i showed work
- zcabral
- · Replies 1 ·
Calculate the torque about the potential pivot point
- MAins
- · Replies 1 ·
Linear momentum and impulse problem
- NoPhysicsGenius
- · Replies 4 ·
Relativity Problem: Find Passenger Speed Relative to Bank
- bfr
- · Replies 2 ·
Ageing of the universe using percentages of Uranium?
- coffeem
- · Replies 2 ·
Maximum Speed on Gym Floor with Coefficient of Friction of 0.8
- neonjr
- · Replies 12 ·
Help Total mechanical energy question
- adv
- · Replies 2 ·
Which solution is correct (Tension)
- SheldonG
- · Replies 2 ·
How to Determine Proton Movement in Electric and Magnetic Fields?
- physicsbhelp
- · Replies 72 ·
Understanding Circuit Measurement Techniques and Symbols
- Air
- · Replies 1 ·
Calculating Object Movement in SHM: Period, Amplitude, and Distance
- bcjochim07
- · Replies 11 ·
Impulse and momentum of two particles
- Pagey
- · Replies 5 ·
Determine the period of the motion
- aliciagu
- · Replies 2 ·
What is the Correct Way to Calculate the Period of Io?
- Sheneron
- · Replies 2 ·
Can someone check my logic? simple harmonic motion.
- aliciagu
- · Replies 1 ·
Why Does Mass Affect the Period in This Pendulum Problem?
- bcjochim07
- · Replies 7 ·
Internal resistance of a solar cell; strange results?
- cbs27
- · Replies 1 ·
Really basic what happens when the switch closed question
- sameeralord
- · Replies 4 ·
Griffiths' Notation for Vector from Source to Field Point
- radiogaga35
- · Replies 2 ·
Calculating the Angle at which a Hanging Ring Will Rise with Two Sliding Beads
- MathematicalPhysicist
- · Replies 13 ·
How to Solve Moment and Friction Problems in Mechanics
- Chantry09
- · Replies 9 ·
What is the role of the phase constant in simple harmonic motion?
- bcjochim07
- · Replies 1 ·
Two blocks - one on a table and one hanging - acceleration with friction
- Hemmelig
- · Replies 28 ·
Force needed to make a disk climb a step
- Towelie
- · Replies 8 ·
Pendulum conservation of momentum
- bcjochim07
- · Replies 7 ·
Moment of Inertia: Where Does the 1/2 Come from?
- kyin01
- · Replies 3 ·
Isochoric and Isobaric (Ch.15 problem #26 Wiley+)
- trinot
- · Replies 3 ·
Finding the Phase Constant of a Sinusoidal Velocity Graph
- bcjochim07
- · Replies 13 ·
Why are arch bridges stronger than beam ones?
- jadoreparis30
- · Replies 3 ·
Solve Thermodynamic Signs Homework: W C → A, Q A → B, etc.
- yuvlevental
- · Replies 5 ·
Tunneling Energy Changes: A Conceptual Question
- EngageEngage
- · Replies 5 ·
Angular motion with constant acceleration
- kyin01
- · Replies 2 ·
What Are the Longest and Shortest Wavelengths of the Pfund Series in Hydrogen?
- mandymanny
- · Replies 3 ·
How using the average velocity gives the exact value of s?
- almirza
- · Replies 2 ·
Calculating Moment of Inertia for a Cylinder with Varying Radii?
- TBoy
- · Replies 4 ·
Calculating Maximum Displacement of Pendulum from Ballistic Impact
- Oomair
- · Replies 4 ·
Initial Angle of Pendulum: Solving for Angle Using SHM Equation
- bcjochim07
- · Replies 5 ·
Kinematics of the human canon fly zaccini
- Newton86
- · Replies 6 ·
Observing the Electric Field of a +4.3µC Charge
- arabianchick
- · Replies 1 ·
Need help Finding binding energy
- Couture
- · Replies 1 ·
Calculating Particle Distance from Density and Number
- TFM
- · Replies 15 ·
Deriving Vector and position vectors from Force vector
- HclGuy
- · Replies 3 ·
Speed of an Electron in an Electric Field
- HELLO11
- · Replies 5 ·
Find the Mass of Ice Needed to Cool 800mL Water to 0.0°C
- cstout
- · Replies 3 ·
Dampened Harmonic Motion and oscillation
- seichan
- · Replies 9 ·
How Do You Calculate the Mass and Radius of Planet Physics?
- bcjochim07
- · Replies 19 ·
Solve Physics Problem: Urgent Cessna-182 Plane Mass 1290kg Glide Angle
- sid88
- · Replies 1 ·
Simple Harmonic Motion of a Pendulum
- bcjochim07
- · Replies 4 ·
Angular momentum of a thin uniform rod
- A_lilah
- · Replies 15 ·
How Do You Calculate Centripetal Acceleration in Terms of g?
- tascja
- · Replies 6 ·
Speed of an Electron in an Electric Field
- HELLO11
- · Replies 3 ·
Rotating binary star system & three star system
- bcjochim07
- · Replies 2 ·
Rubber balloon is rubbed against a wall and then sticks to the wall
- European Sens
- · Replies 7 ·
What were the speed and angle of the diver's projectile motion off a 3-m board?
- Cantworkit
- · Replies 5 ·
Nonsinusodial wave function problem
- EngageEngage
- · Replies 2 ·
Free fall acceleration astronauts problem
- bcjochim07
- · Replies 2 ·
Finding the potential difference of an alpha particle.
- elephantorz
- · Replies 1 ·
What is the Coordinate of Point B in a Sinusoidal Wave?
- jpond89
- · Replies 3 ·
Relativity: Breakdown in Simultaneity Question
- egel
- · Replies 2 ·
Moon earth system escape velocity
- bcjochim07
- · Replies 1 ·
Toy car conservation of angular momentum
- bcjochim07
- · Replies 4 ·
Calculating Resultant of Forces on 6.2KG Box in Lift
- DeanBH
- · Replies 2 ·
Where Do Magnetic Fields Cancel Out in Intersecting Wires?
- doggy physics
- · Replies 1 ·
Why is the angle adjacent to the horizontal 30°?
- King
- · Replies 6 ·
Solving a Linear Motion Question: Two Cars, 70km & 4.4m/s & 2.5m/s
- agbe981
- · Replies 2 ·
Kinetic and Potential Energy calculation
- Blubla
- · Replies 2 ·
Work in a circular track question
- pcwizz
- · Replies 15 ·
Solving the Sliding Component Problem
- miked
- · Replies 6 ·
Testing gradient against a value
- garytse86
- · Replies 1 ·
Find the speed of the block at this point
- fizwiz
- · Replies 6 ·
Question about light reflection
- kaptinmorgan
- · Replies 1 ·
Minimum Coefficient of Friction for a Banked Curve
- 72_Cutlass_S
- · Replies 1 ·
Why Does My Calculation Differ from the Textbook's Answer?
- bcjochim07
- · Replies 3 ·
How Does Mass and Inertia Affect Acceleration on an Inclined Plane?
- ASUengineer16
- · Replies 4 ·
Calculating Binding Energy for N-13 Nucleus and Predicting Decay Reaction
- BenLi
- · Replies 2 ·
Calculating Uncertainty in R Using Partial Derivatives
- questions
- · Replies 4 ·
What Is Earth's Equilibrium Temperature Assuming Blackbody Radiation?
- FreeAnnyong
- · Replies 2 ·
How can you determine initial velocity without the given information?
- Jason03
- · Replies 2 ·
Sound intensity - the threshold of pain
- clope023
- · Replies 2 ·
What Is the Initial Downward Acceleration of an Iron Ball Submerged in Water?
- Bizznaatch
- · Replies 2 ·
Calculating Rocket Speed at a Distant Location
- bcjochim07
- · Replies 2 ·
Solving Bowling Ball Slipping Problem with Conservation of Total Energy
- hardrocker13
- · Replies 4 ·
Wavelength and Frequency with Temperature
- yoshiba
- · Replies 3 ·
Calculating Winch Power for an Inclined Ore Car: 30 Degree Incline | 950kg Mass
- cooltee13
- · Replies 3 ·
What is Ann's final position in different reference frames?
- Sanjay87
- · Replies 5 ·
Temperature of ice-water mixture
- jiceo1
- · Replies 12 ·
Having problems with my physics class
- hj_creynolds
- · Replies 1 ·
How to Calculate Tire Contact Area from Weight and Pressure
- dumguy
- · Replies 3 ·
Very Simple = a negatively charged rod will only attract what?
- daNAV1GATOR
- · Replies 5 ·