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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Coaxial cable and magnetic field
- scholio
- · Replies 8 ·
Help finding a topic for an investigatory physics project
- jel diaz
- · Replies 1 ·
Calculating Tension in a Pulley System
- crays
- · Replies 6 ·
Solve Acceleration Problem: Car Overtaken After 4 sec.
- bond.173
- · Replies 2 ·
How Does Static Friction Affect a Car on a Curve?
- .NoStyle
- · Replies 10 ·
Is Radians Dimensionless in Scientific Measurements?
- .NoStyle
- · Replies 3 ·
Radial momentum expectation value divergence in spherical coordinates
- liorda
- · Replies 10 ·
Uniform circular motion and coordinate system
- ace123
- · Replies 5 ·
Electric field and magnetic field - proton deflection
- scholio
- · Replies 6 ·
Gravitational force and particles
- ace123
- · Replies 5 ·
Determine magnetic field from figure
- scholio
- · Replies 2 ·
Work done by the rope and power of electric motor
- ramma_akash
- · Replies 1 ·
Balancing torques, static equalibrium
- Bu2009
- · Replies 1 ·
Net force on a diver slowing down in water
- Kris1120
- · Replies 2 ·
What is the Maximum Torque on a Coil in a Magnetic Field?
- scholio
- · Replies 6 ·
Effect of Density and Volume Changes on Buoyancy in a Glass of Water
- Anony-mouse
- · Replies 4 ·
Doppler Effect of a 1-kilohertz sound
- Fanaticus
- · Replies 5 ·
What Is the Speed of a Bucket in Vertical Circular Motion?
- 0338jw
- · Replies 9 ·
Electrostatic Forces and Coulombs Law Question
- KMjuniormint5
- · Replies 3 ·
? on change in mechanical energy
- ken.adams
- · Replies 2 ·
Inelastic Scattering - Calculate Energy Change
- ajhunte
- · Replies 1 ·
Elastic Collision of a gold nucleus
- habibclan
- · Replies 8 ·
How to Solve a Pulley/Distributed Load Problem for an Engineering Exam?
- aaronjason
- · Replies 1 ·
ANSWER: ____Rotational Dynamics - Wheel Stops at 2.20s w/489 Rad Total
- emeraldempres
- · Replies 1 ·
Determining Mica Thickness Using Interference Fringes
- inflames829
- · Replies 1 ·
Single slit diffraction: why is my slit width calculation wrong?
- inflames829
- · Replies 1 ·
How Does a Hydraulic Lift Work with Different Piston Sizes?
- Pat2666
- · Replies 1 ·
Coulomb's law particles that form a square problem
- brett812718
- · Replies 13 ·
Calorimetry and Phase change question
- JoshMG
- · Replies 6 ·
Two masses connected by pulley, one on incline at 55°
- student 1
- · Replies 5 ·
Calculating Percentage Change in Tension for Tuning a Guitar String
- warmfire540
- · Replies 10 ·
Kinematics of jet-ski - how far does Sam land?
- habibclan
- · Replies 13 ·
Find the equation for horizontal motion
- clintau
- · Replies 20 ·
How long before observer hears sonic boom from jet at Mach 1.5?
- inflames829
- · Replies 10 ·
Equilibrium of Vertical Load P on Rod BC
- ttiger2k7
- · Replies 8 ·
Circuit battery current Problem
- clope023
- · Replies 8 ·
Calculating Net Work Done by 500g Mass on Unstretched Spring
- habibclan
- · Replies 6 ·
Cost per kilogram of uranium-234 and plutonium-239
- brandy
- · Replies 7 ·
Answer: Energy Conservation: Maximum Compression & Max Velocity
- habibclan
- · Replies 5 ·
Calculating Power and Force in a Sprinter's Run
- habibclan
- · Replies 4 ·
Solving Stress Concentration for Elliptical Hole in Square Panel
- raunakm
- · Replies 1 ·
Friction of conveyor belt on suitcase
- habibclan
- · Replies 11 ·
Draw Double Concave Lens Diagram
- Wubby
- · Replies 3 ·
Find initial velocity only need hint
- itunescape
- · Replies 1 ·
What is the glider's velocity just after the skydiver lets go?
- habibclan
- · Replies 10 ·
What is Bob's maximum power output as he throws the rock?
- habibclan
- · Replies 6 ·
Calculating Components and Magnitude of Forces and Acceleration
- jrfskater
- · Replies 1 ·
How do I calculate the necessary pump pressure for a 11.5 m fountain?
- Zacthor
- · Replies 6 ·
What is the radius of the spherical cavity?
- ramalik
- · Replies 1 ·
Can Physics Review Questions on Velocity and Acceleration Be Decoded Easily?
- Mykester
- · Replies 3 ·
How Do You Calculate the New Diameter Needed to Reduce Pressure in a Pipe?
- Vanessa23
- · Replies 3 ·
Calculating Resistive Force and Power for a Bullet Fired into a Tree
- dralion87
- · Replies 18 ·
Electron vector analysis question
- chemboy
- · Replies 12 ·
Bouncing Ball Position, Velocity and Acceleration Graphs.
- habibclan
- · Replies 7 ·
Find the Ramp Angle for a 3kg Block on a Frictionless Ramp
- vincentp07
- · Replies 2 ·
How to Find the Modulus of Velocity and Acceleration?
- ritwik06
- · Replies 1 ·
Finding Acceleration in a Moving Particle
- habibclan
- · Replies 5 ·
What Is the Tension in San Francisco's Cable Car System?
- accobos
- · Replies 2 ·
Block floating in water - Oil is added
- emenos
- · Replies 1 ·
Find the magnitude of the net force acting on this object
- student 1
- · Replies 4 ·
Calculate Satellite Velocity in Stable Orbit
- smaxemow
- · Replies 2 ·
Principle of Conversation Of Energy question
- alexyvettea
- · Replies 2 ·
What is the angle of elevation between two buildings with different heights?
- xxl69
- · Replies 3 ·
Compression of a Jaguar XK8 Cylinder
- Number1Ballar
- · Replies 2 ·
Drawing Vector in Positive Z Direction: Quick Answer
- ace123
- · Replies 5 ·
Average speed of particle with velocity u sin ωt
- ritwik06
- · Replies 11 ·
How Do Convex Mirrors Affect Image Location and Size?
- MoreZitiPlease
- · Replies 4 ·
Total Energy Of A Spring-Mass System
- D3SI
- · Replies 2 ·
Find Heat to Turn Water into Steam at 100degC
- get_physical
- · Replies 2 ·
Solving Quadrupole Ring Electrostatics: Electric Field Along x-Axis
- jcmf3
- · Replies 2 ·
Electrostatic force on charge in right triangle setup
- chemboy
- · Replies 4 ·
Car Oscillates - What's Its Mass?
- Pat2666
- · Replies 8 ·
Question on tourques and static equilibrium
- sodr2
- · Replies 4 ·
How Does Elevator Acceleration Compare to Spaceship G-Forces?
- Physicsdewd
- · Replies 1 ·
Finding current and voltage in a 25V circuit with eight resistors
- scholio
- · Replies 5 ·
What is the average power of the horse?
- qman316
- · Replies 35 ·
Graphing data with values from 0.001 to 0.123
- _Mayday_
- · Replies 6 ·
Illusion that appears to be suspended
- jillz
- · Replies 1 ·
How Much Work to Stand Up a Telephone Pole?
- armis
- · Replies 13 ·
Distance between tennis ball and the top of the net
- goaliejoe35
- · Replies 33 ·
I think you're right. I'll try to be more careful.
- jbowers9
- · Replies 7 ·
Gravitational field strength at point A between two masses
- Lavace
- · Replies 2 ·
Check my thermodynamics homework quiz answers
- Shackleford
- · Replies 16 ·
Mass of C1 to C2 Ratio: Find the Answer
- student 1
- · Replies 3 ·
Can I Propel a Boat with a Speaker?
- HappyEngineer
- · Replies 5 ·
Gauge Pressure of Balloon 25m Under Sea
- suppy123
- · Replies 3 ·
Centripetal acceleration of speedboat in circular turn
- zooboodoo11
- · Replies 6 ·
Calculating Beat Frequency for Two Loudspeakers
- inflames829
- · Replies 2 ·
Maximum compression of a spring after collision with 0.8 kg mass
- alex9050
- · Replies 20 ·
Do two balls thrown up and down from a building have the same final velocity?
- student 1
- · Replies 4 ·
Elastic collision find final velocity 8.39
- emeraldempres
- · Replies 3 ·
Calculating Image Height from Magnification: How to Solve
- fatima_a
- · Replies 5 ·
How Is Maximum Velocity Calculated in Simple Harmonic Motion?
- Pat2666
- · Replies 2 ·
Dissipation of mechàanical energy in collision of sandwiches
- emeraldempres
- · Replies 7 ·
Calculate the change in the total kinetic energy
- emeraldempres
- · Replies 4 ·
Energy Needed to Remove an Electron
- LHC
- · Replies 4 ·
Period of Oscillation of Pendulum Varies with Amplitude
- armis
- · Replies 12 ·
Solving Force Problem: 2kg Ball Falling From 10m
- sheevz
- · Replies 5 ·
Comparing X1 to X2: Find the Ratio
- student 1
- · Replies 13 ·
How far does the block travel up the incline before sliding back down?
- emeraldempres
- · Replies 8 ·