Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Find Momentum & Force of Pellet Penetrating Clay | Physics
- Procrastinate
- · Replies 1 ·
Ball Kicked at Certain angle, how long it goes and takes to touch the ground
- Paul36
- · Replies 2 ·
What is the discriminant for this quadratic?
- Misr
- · Replies 7 ·
Two Solenoids on top of each other?
- MyAmpsGoTo11
- · Replies 4 ·
Is there anything wrong with my solution?
- Misr
- · Replies 2 ·
Calculating Angular Magnification for a Simple Magnifier
- Arshad_Physic
- · Replies 1 ·
Determining the Length of Bungee Cord Needed for an Egg Drop Experiment
- lccstuednt
- · Replies 9 ·
How Does Light Behave When Emitted From a Focal Point Through a Convex Lens?
- choco_moo
- · Replies 2 ·
Q - What is the wavelength of the incoming photon?
- doublemint
- · Replies 2 ·
How Does the Loudness Change When Two Jets Fly Together?
- kanha
- · Replies 1 ·
2 hanging masses on Pully with friction time to reach floor?
- charan1
- · Replies 3 ·
Interference (Constructive and Destructive)
- jumbogala
- · Replies 5 ·
How to Find Final Temperature with Constant Pressure and Changing Volume
- cdotter
- · Replies 1 ·
Introduction to electromagnetism - Maxwell's equations
- krtica
- · Replies 2 ·
Is Oscillation Amplitude the Same as Displacement?
- erok81
- · Replies 13 ·
Electric Field and Magnetic Field
- nightseeress
- · Replies 1 ·
How Do Sound Intensities Compare Between a Whisper and a Rock Concert?
- Chandasouk
- · Replies 1 ·
Why do Parallel Mirrors produce infinite mirrors?
- MforceXXII
- · Replies 5 ·
What is the Power Output and Efficiency of a Coal-Burning Power Plant?
- planke
- · Replies 3 ·
Specific heat capacity and latent heat.
- student-92
- · Replies 4 ·
How Does a Magnetic Field Affect an Electron's Motion?
- jand
- · Replies 1 ·
Does a Stationary Electromagnet Induce EMF in a Surrounding Coil?
- JJBladester
- · Replies 1 ·
Calculating the electric potential
- ratnag93
- · Replies 1 ·
How to Find the Angle of a Child on a Swing at Maximum Height
- again
- · Replies 1 ·
Power - Ferris Wheel with friction
- MissPenguins
- · Replies 3 ·
Converting Navier-Stokes Equations to Lagrangian Frame of Reference
- cahill8
- · Replies 1 ·
Vertically driven mass against spring
- rob78
- · Replies 4 ·
Calculating Cost of Operating Lamp
- GlobalDuty
- · Replies 3 ·
Kinematic question involving differential equation
- gaobo9109
- · Replies 4 ·
Wave speed and distance on a guitar string
- jl39845
- · Replies 1 ·
Combination W-K problem with spring
- itsvt2013
- · Replies 1 ·
Calculating Work and Power in a Given Time Period
- tangibleLime
- · Replies 3 ·
Current in Discharing Capacitor
- 05holtel
- · Replies 1 ·
How Does This Algebraic Equation Simplify to This Result?
- literacola
- · Replies 1 ·
Two blocks sliding and the collision
- spdowind
- · Replies 2 ·
Electric field created in a bar by electrons deflected in a magnetic field
- jdc15
- · Replies 1 ·
Proving Conservative Force F(x,y): Steps & Examples
- KaiserBrandon
- · Replies 5 ·
Is My Solution for Variable Force Particle Motion Correct?
- bcjochim07
- · Replies 2 ·
Torque of a uniform rod being pivoted.
- monkeysmine
- · Replies 12 ·
How Efficient Is a Steam-Electric Power Plant That Delivers 900 MW?
- kboykb
- · Replies 2 ·
Relativistic Time for spaceship movement
- skibum143
- · Replies 6 ·
Find B: 4.3 cm Radius Semicircle w/ 6.6 A Current
- munchy35
- · Replies 12 ·
Potential energy for the harmonic oscillator
- CanIExplore
- · Replies 5 ·
Damped harmonic motion question
- aks_sky
- · Replies 8 ·
Harmonics terminology for an open-closed tube
- jumbogala
- · Replies 1 ·
Why Is Theta Used as 120.7 Instead of 59.3 in This Hurricane Tracking Problem?
- yang09
- · Replies 5 ·
How Do Electromagnetic Fields Affect Liquid Movement?
- satxer
- · Replies 1 ·
What is the longest straw you could possibly drink from?
- jumbogala
- · Replies 5 ·
How to calculate wire extension from tension and Young's modulus?
- lemon
- · Replies 1 ·
Gravity towards Center of Mass?
- particlemania
- · Replies 1 ·
Projectile motion time of impact
- thintheherd
- · Replies 7 ·
Converting Odd Integer Series to Sigma Notation
- brianaIScool
- · Replies 1 ·
Stored Spring Energy Calculation
- lemon
- · Replies 4 ·
Trying to find how much work is done by friction
- fvjjk
- · Replies 1 ·
Conservation of Motion Collision of two object
- kbward
- · Replies 1 ·
Stuck on this downhill skiier problem help
- Cornraker
- · Replies 2 ·
What is the spectrum of completely ionized hydrogen?
- OranL
- · Replies 1 ·
Is Velocity Constant When Calculating Force in an Elevator?
- needguidance
- · Replies 6 ·
Uniform Circular motion problem
- SgtSniper90
- · Replies 2 ·
Kinematic Question: Finding Time to Reach Max Height with k, g, u
- gaobo9109
- · Replies 9 ·
Linear Algebra: Vector Basis (change of)
- p1ayaone1
- · Replies 1 ·
Walking legs as physical pendulum oscillations
- intermu
- · Replies 1 ·
Can Velocity be Accurately Calculated? | SNK
- aneesh123
- · Replies 4 ·
How Do You Solve Periodic Motion Problems in Physics?
- SoulInNeed
- · Replies 1 ·
What Is the Terminal Speed of a Bobsled on a Slope?
- muddyjch
- · Replies 2 ·
The average translational kinetic energy of nitrogen molecule
- tanzerino
- · Replies 1 ·
How Do You Calculate Wave Speed on a String?
- semc
- · Replies 1 ·
Proving Equilibrium: The Relationship Between Forces and Torque
- gaobo9109
- · Replies 3 ·
What is the energy of an X-ray photon with a wavelength of 6.6*10^–11 m?
- edwinem
- · Replies 1 ·
How Do You Find the Center of Gravity of a Non-Uniform Plank?
- recoil33
- · Replies 1 ·
Transformer primary-to-secondary turn ratio problem
- physics100000
- · Replies 1 ·
Bungee Cord Damping and Unstretched Length Calculation
- aks_sky
- · Replies 2 ·
Measuring Voltage with Distance in an Electric Circuit Lab
- cgi093
- · Replies 6 ·
Principle of Moments: Balancing a Meter Rule
- 01010011
- · Replies 2 ·
To find work done by time-varying magnetic field
- hermy
- · Replies 2 ·
Transformer with attached load: required source voltage
- Kev1n
- · Replies 5 ·
To find the capacitance of 2 concentric spherical shells
- hermy
- · Replies 5 ·
Universal Gravitation and spacecraft
- mybrohshi5
- · Replies 2 ·
Calculating the Mass Ratio of Orbiting Stars Using Gravitational Fields
- breeno
- · Replies 2 ·
Speed of Separation between 2 masses?
- mneox
- · Replies 1 ·
Finite/Infinite Potential Well Problems
- Anonymous1783
- · Replies 4 ·
Is Mechanical Energy Conserved with Friction in Rolling Motion?
- jwu
- · Replies 6 ·
Which Way Will the Disk Rotate With Two Hanging Masses?
- ariclaire
- · Replies 1 ·
How to find the magnetic flux thru a bent loop with given angle
- dc5itr888
- · Replies 1 ·
How Is Heat Transferred Through Skin Layers?
- Andrews989
- · Replies 2 ·
Average Force of Oxygen Molecule in Cubical Vessel
- cdotter
- · Replies 1 ·
What Is the Final Velocity After Two Balls Collide and Move Together?
- 01010011
- · Replies 1 ·
How Does Coil Turn Ratio Affect Transformer Performance?
- Magma828
- · Replies 5 ·
Why Is the Work Done by Weight Zero When Pushing a Box Horizontally?
- 01010011
- · Replies 3 ·
Minimum distance between stars so we see them as two distinct stars
- Revvi
- · Replies 2 ·
Is My Calculation of Resultant Force and Acceleration Correct?
- 01010011
- · Replies 1 ·
Mastering Cross and Dot Products for Test Review
- 1man
- · Replies 3 ·
What is the relationship between standing waves, tension, and velocity?
- zell_D
- · Replies 2 ·
Understanding Young's Double Slit Experiment: Why 4.5 Fringes Shift?
- Oerg
- · Replies 5 ·
How Do You Calculate the Induced Electric Field in a Solenoid?
- exitwound
- · Replies 4 ·
What is the work done in this case?
- Misr
- · Replies 6 ·
Mechanics; speed of car travelling around bend.
- axdv
- · Replies 1 ·
Gravitational force and constants
- juggalomike
- · Replies 6 ·
Coefficient friction of a book resting on a block
- Sirsh
- · Replies 4 ·
Force fields, vectors, and work (mostly just confused by notation)
- joriarty
- · Replies 4 ·