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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Find Angular Acceleration: Torque & Rotational I
- wushumaster
- · Replies 1 ·
Standing Waves on a Violin String
- kikko
- · Replies 3 ·
Calculating Car Lift Height with a Hydraulic Lift
- BeiW
- · Replies 3 ·
Calculating Efficiency of a Steam Turbine at Varying Temperatures
- name_ask17
- · Replies 9 ·
Conservation of momentum and energy problem
- BARBARlAN
- · Replies 4 ·
Calculating Acceleration of Kings Dominion Drop Tower
- suwarna07
- · Replies 6 ·
Using mass of copper in both air and liquid to find density of liquid?
- DannyPhysika
- · Replies 7 ·
Elevator problem; but i don't have the mass
- jtwitty
- · Replies 4 ·
Calculating Angular Velocity and Kinetic Energy in a Rotating System
- BARBARlAN
- · Replies 5 ·
Newtons 2nd Law & Kinetics pt. 2
- jtwitty
- · Replies 16 ·
Car with mass of 1500kg and thrust of 4000N
- jtwitty
- · Replies 3 ·
Thermodynamics- energy, pressure, volume
- name_ask17
- · Replies 16 ·
Applyings Newton 2nd Law and Kinematics
- jtwitty
- · Replies 25 ·
Determine Electric Force Due to Charges on Neg. Charged Dust Mite
- Abelard
- · Replies 6 ·
Simple Electric Field Magnitude Question
- jegues
- · Replies 2 ·
Thermodymanics dealing with pressure, temperauture, and constants
- name_ask17
- · Replies 15 ·
Simple Electrical Equation Advice.
- MathsRetard09
- · Replies 3 ·
Ohm's law and resistivity, again
- Marbles
- · Replies 15 ·
The title of this page could be: Newton's Second Law Homework: Constant Term
- Niles
- · Replies 2 ·
Like charges repel and unlike charges
- flyingpig
- · Replies 5 ·
How Much Force Does Sunlight Exert on Earth?
- machinarium
- · Replies 1 ·
How Does Helium's Volume and Temperature Change in an Adiabatic Ascent?
- stark_1809
- · Replies 4 ·
Percentage Uncertanty and youngs modulus
- pandit bandit
- · Replies 3 ·
Which Statements About Object Motion in Physics Are False?
- Loppyfoot
- · Replies 1 ·
Thermodynamics- Gauge pressure, moles, molecules
- name_ask17
- · Replies 1 ·
What Is the Tension in the String Holding the Rotational System in Equilibrium?
- kk727
- · Replies 3 ·
How Much Heat Escapes Through a Concrete Floor in an Hour?
- name_ask17
- · Replies 14 ·
Why Do Series Circuits Show More Error Than Parallel Circuits in Experiments?
- Younglearner
- · Replies 18 ·
Solving Stationary Waves Homework Problems
- ibysaiyan
- · Replies 4 ·
A Damnable Man: Who Killed Adam Able?
- merx7ii
- · Replies 5 ·
Find the acceleration with very little
- Buckler
- · Replies 1 ·
How the current go through this circuit?
- machinarium
- · Replies 2 ·
How Does Temperature Affect the Depth of Mercury in a Glass Tube?
- gomdul2
- · Replies 3 ·
Resulstant force pendulum equilibrium position
- binbagsss
- · Replies 4 ·
Newton's third law, frictional force, acceleration
- furor celtica
- · Replies 2 ·
Aeroplane flight: time, displacement, velocity question
- nathangrand
- · Replies 1 ·
How Do You Calculate Wave Parameters and Displacement?
- hoyy1kolko
- · Replies 1 ·
What is the initial length of rods A and B in rod C?
- william313
- · Replies 5 ·
2 Questions of Momentum and Impulse
- wolfpack
- · Replies 5 ·
Net force is Zero, quadratic answers
- flyingpig
- · Replies 1 ·
Road Bank Top Speed Calculation | G & \mu
- dlingo
- · Replies 3 ·
Find the rate of change of the current in the inductor
- machinarium
- · Replies 8 ·
Help with electric fields, max height, and displacement?
- mohemoto
- · Replies 2 ·
Drawing a PV Diagram: Solving Homework w/ Work Calculation
- imatreyu
- · Replies 2 ·
How Does Friction Affect a Sphere's Velocity on a Ramp?
- moondawg
- · Replies 3 ·
Law of Conservation of Energy of a downhill skier
- darkmasterz8
- · Replies 3 ·
World Lines Problem, axes as meters
- The_Doukem
- · Replies 1 ·
Moments of Inertia Homework: Find Max Height H
- hold AP 2010
- · Replies 1 ·
Electron Single Slit Diffraction
- hy23
- · Replies 3 ·
Hard Physics Problem - Centripetal Force
- Rbethell16
- · Replies 2 ·
Calculating Velocity of Sphere on Inclined Plane
- moondawg
- · Replies 1 ·
Initial phase determination in a wave
- Jos_Moreira
- · Replies 1 ·
How Do You Calculate the Maximum Speed in a Frictionless Pulley System?
- swannyboy
- · Replies 26 ·
Electrostatic Force in a Mad Scientist's Trap
- Abelard
- · Replies 6 ·
What is the maximum force allowed in this tension problem?
- Theorγ
- · Replies 6 ·
Calculating the Radius of a Hill for Weightless Sensation at 42 mph
- Hafsaaa
- · Replies 5 ·
Electrostatic Potencial Problem
- loba333
- · Replies 3 ·
Need Help with Rotational & Transitional Equilibrium LA
- mahdi12572
- · Replies 1 ·
How to Calculate Potential Energy Difference for a Dipole in an Electric Field?
- loba333
- · Replies 1 ·
Mass of chair on weighing scale and wall
- dmouthfan2028
- · Replies 2 ·
Physics maths calculus charge calculations
- electro 1982
- · Replies 4 ·
Which way does electric field line go?
- cashflow
- · Replies 1 ·
What Charge Must an Oil Droplet Have to Balance Gravity in an Electric Field?
- Magna1
- · Replies 4 ·
What Happens When Identical Charged Spheres Make Contact?
- jegues
- · Replies 4 ·
How Many Photons Hit Your Retina from a Distant Light Source?
- hy23
- · Replies 3 ·
Calculating Time for a Mass to Hit the Floor on a Pulley System
- Havenater23
- · Replies 16 ·
Calculating Velocity After Elastic Collision: Kinetic Energy Problem
- ashvinthecha
- · Replies 5 ·
Circulation Motion - Airplane Loop
- Rbethell16
- · Replies 1 ·
Calculating Capacitance: Series vs Parallel
- cupid.callin
- · Replies 4 ·
Comparing Kinetic and Potential Energy in Circular Motion
- ghostbuster25
- · Replies 4 ·
How Do You Calculate Forces on a Banked Curve with Friction for a Race Car?
- James_fl
- · Replies 19 ·
Rotating the Resultant Force on a Charge
- jegues
- · Replies 1 ·
Question on electric filed of an insulating cylinder
- loba333
- · Replies 5 ·
Energy And Electric Field In Circuits
- didas
- · Replies 7 ·
Finding the de Broglie wavelength from momentum
- Matty R
- · Replies 3 ·
Solving a Vertical Ball Throwing Problem: Velocity and Time Calculation
- inbetween
- · Replies 2 ·
What effects does a conductor have on a circuit. How can they be minimised?
- MathsRetard09
- · Replies 2 ·
Can we use gauss' law to find the e field of a finite line of charge?
- scrappy
- · Replies 7 ·
Calculate Heat Transferred in Gas with Constant Temp & Compression
- jimmy42
- · Replies 1 ·
Physical pendulum: frequency of rotated square
- emr13
- · Replies 22 ·
Another projectile motion problem.
- -Dragoon-
- · Replies 2 ·
Resultant Force on Charge in the middle of square
- katia11
- · Replies 4 ·
Minimum Electrical Potential Difference required to stop Alpha particle
- clarence.p
- · Replies 3 ·
What is the Internal Energy of an Ideal Gas at Given Conditions?
- dlthompson81
- · Replies 2 ·
How Do You Calculate the Net Gravitational Force on a Mass in a 3D Force System?
- harrysawizard
- · Replies 4 ·
How can the mass of an object be determined with given variables?
- suwarna07
- · Replies 1 ·
Special Relativity: Which notation to use
- Matty R
- · Replies 1 ·
What is the tension in the rope?
- Theorγ
- · Replies 11 ·
Electromotive force in constant flux
- player1_1_1
- · Replies 7 ·
Placing a 3rd charge so there is no net force
- jegues
- · Replies 15 ·
Point of Equilibrium between two charges
- jegues
- · Replies 9 ·
Constructive or destructive interference- Car radio
- sbayla31
- · Replies 7 ·
Charge question A, B, C Explanation
- flyingpig
- · Replies 4 ·
Is this a misconceptin? Moment of inertia
- flyingpig
- · Replies 13 ·
Charges placed on a hexogon, working out the force and energy
- loba333
- · Replies 9 ·
Can someone explain the concept of Mass-Energy Equivalence in simple terms?
- skoks
- · Replies 3 ·
Question on series solutions of diff equations
- blueyellow
- · Replies 1 ·
What Is the Velocity After a Cork Ball and Dart Collide?
- loba333
- · Replies 6 ·
Electric Potential Difference involving Alpha Decay question
- Eloc Jcg
- · Replies 1 ·
Solving Complex Impedance Homework Q2
- ___
- · Replies 6 ·