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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Solving a Physics Problem Involving a Square & Magnetic Field
- Frillth
- · Replies 1 ·
Electric field due to charged rods
- -EquinoX-
- · Replies 1 ·
Defibrillator Energy Dissipation Calculation
- phy112
- · Replies 2 ·
Wheel rolling uphill on a slope with applied torque
- laurids
- · Replies 1 ·
Potential Energy and Total Energy Negative
- Jordash
- · Replies 7 ·
Are the terminals of a well-charged battery neutral?
- Ahsan Khan
- · Replies 29 ·
Regarding Fluids and hydrostatic force ratios
- pendulumboy
- · Replies 1 ·
Solving River Flow Velocity: A Motorboat Problem
- abhikesbhat
- · Replies 1 ·
How far will an object travel on a flat surface
- jtura
- · Replies 2 ·
Newtons Laws with mouse and elephant
- pkc111
- · Replies 6 ·
Angle between vectors A = -2i + 5j and B = 2i + 3j
- vipertongn
- · Replies 1 ·
How Do You Calculate the Resistance of a Light Bulb in a Series Circuit?
- rcrx
- · Replies 3 ·
Minimum height for car to complete loop without falling off
- moy13
- · Replies 5 ·
Simplifying Circuit Diagrams: Understanding Topology and Resistor Placement
- johnj7
- · Replies 4 ·
Capacitance: Equivalent C of a Network
- calvert11
- · Replies 3 ·
Radius of coil in magnetic field
- larkinfan11
- · Replies 5 ·
Normal force on 80 kg object pulled at 50° and 70°
- Intrusionv2
- · Replies 6 ·
How Does Rolling Affect the Speed and Time of a Sphere Down an Incline?
- physics_geek
- · Replies 3 ·
Circular Motion: Find Tension at Top of 1.11kg Disc
- electricheart
- · Replies 3 ·
Showing T² ∝ R³ from centripetal force
- skiing4free
- · Replies 6 ·
Fundamental frequency of a guitar string
- raw_rock7
- · Replies 1 ·
What is the Temperature Increase of Cars Colliding at 80 km/hr?
- Flip18064
- · Replies 1 ·
Solving for Time Elapsed in an RC Circuit
- phy112
- · Replies 1 ·
Gravitational Potential Energy child swing Problem
- septum
- · Replies 7 ·
Amusement Park Ride - Angular Speed
- FAJISTE
- · Replies 5 ·
Truck cylinder, ideal gas law problem
- Flip18064
- · Replies 1 ·
How Do You Calculate the Sliding Distance with Friction and Initial Forces?
- junior78
- · Replies 4 ·
Nudging an Asteroid. Conservation of Momentum
- Wobble
- · Replies 18 ·
Distance where charge reaches half its speed at infinity
- Brit412
- · Replies 6 ·
Potentia Difference and Electric Potential
- TheFireFox
- · Replies 1 ·
Solve Armadillo Problem: Initial & Final Speed, Height
- Johny 5
- · Replies 1 ·
Average crush force exerted on a car
- Mathbather
- · Replies 2 ·
Finding charge on a 6.4 µF capacitor with 47.0 V source
- phy112
- · Replies 2 ·
Launch Package from Spinning Asteroid: Calculating Required Spring Compression
- fball558
- · Replies 1 ·
What is momentum and how is it defined?
- icecomet
- · Replies 1 ·
What is the Moment of Inertia of a Pulley with Connected Masses?
- wesDOT
- · Replies 4 ·
Calculating Work Done on a Spring with Given Stiffness and Length Changes
- karobins
- · Replies 3 ·
Current distribution diagram confusion
- Joan
- · Replies 9 ·
Magnetic force on charged particle entering field at angle
- einsteinoid
- · Replies 3 ·
Find the change in electric potential
- Brit412
- · Replies 1 ·
Electric Potential, Linear charge with a loop
- Bad-Wolf
- · Replies 6 ·
Dart hitting falling target and ball off a roof
- ArthurYan
- · Replies 1 ·
Solving Gravitational Force to Exceed Earth Pull on Spaceship
- aal0315
- · Replies 9 ·
Work Done: Which Initial Velocity is Most Effective?
- vivekfan
- · Replies 2 ·
Minimum speed for a ball to complete a vertical loop of radius 2.25 m
- liz777
- · Replies 6 ·
Finding horizontal and vertical velocity of a thrown ball
- littledude565
- · Replies 18 ·
Finding amplitude of oscillator
- natasgan
- · Replies 1 ·
A square with charges and an electric field
- Melawrghk
- · Replies 2 ·
Width of central fringe in two-slit pattern and slit width from diffraction
- Verik
- · Replies 2 ·
Two cars collide, find temperature change
- Flip18064
- · Replies 3 ·
Cascaded low pass filters problem
- Stef42
- · Replies 2 ·
Finding integration limits for potential of a hemisphere using disk method
- asi123
- · Replies 5 ·
Ridiculus position-time graph extrapolation
- ChrisEffinSmi
- · Replies 5 ·
Conservaion of Angular Momentum and Center of Mass
- Benkyou
- · Replies 3 ·
What would the tension in the cable be?
- fusionxtc
- · Replies 7 ·
What is the acceleration of a 7.00 kg sphere in seawater at a depth of 1.20 km?
- kurosaki_ichi
- · Replies 3 ·
Angular momentum and spring collision with two blocks
- nns91
- · Replies 1 ·
Electric field at a point near three charges in a line
- rinarez7
- · Replies 4 ·
How long is the image of the meter stick?
- rayhan619
- · Replies 3 ·
Show central force satisfies F = ±||F|| e_r and find ||F||
- Ed Aboud
- · Replies 6 ·
Pendulum and Simple Harmonic Motion Problems
- think4432
- · Replies 5 ·
Block on spring: finding speed and acceleration at different positions
- dominion_cham
- · Replies 6 ·
Why does a proton slow down as it movies into higher potential?
- jumbogala
- · Replies 1 ·
How Does Spring Compression Affect Sled Velocity at a Waterpark?
- Aiko
- · Replies 6 ·
Energy and Simple Harmonic Motion of block
- Pius
- · Replies 5 ·
Distance of a satellite from earth
- skiing4free
- · Replies 3 ·
Electric Field and Potential on a Line with Opposite Charges
- silver_gry
- · Replies 1 ·
Point charges hanging on a string
- theneedtoknow
- · Replies 1 ·
Convex mirrors - Sign convention trouble
- Elbobo
- · Replies 2 ·
RC Circuit and finding Maximum Voltage
- clickcaptain
- · Replies 1 ·
Thermodynamic pressure/temperature question
- physstudent1
- · Replies 1 ·
Forces and Newton-Identifying Acceleration
- 312213
- · Replies 6 ·
Entropy for reversible and irreversible cycles.
- corona7w
- · Replies 5 ·
How far above the water is the top surface of the cube?
- chesrt8
- · Replies 1 ·
How to Calculate Foam Volume for Buoyancy Support of Cargo Block
- ACE_99
- · Replies 6 ·
Conceptual question regarding net force and velocity
- physics120
- · Replies 3 ·
What is the Initial Speed of a Basketball Thrown to a Hoop?
- eatblue
- · Replies 2 ·
How Much Potential Energy Is Lost to Friction on an Incline?
- jabbie3
- · Replies 7 ·
Read the manuel that came with your meter.
- richard7893
- · Replies 1 ·
Electric Circuit and Internal Resistance Lab
- jeff876
- · Replies 1 ·
How Do You Calculate Current in a Complex Circuit Using Kirchhoff's Rules?
- Ownaginatious
- · Replies 18 ·
Long Jump Question - Net forces
- Chadlyacus
- · Replies 1 ·
Extra Que for Interest: Voltage and Wire Resistance
- jen333
- · Replies 1 ·
Calculating Net Charge on a Spherical Conducting Shell
- roflcopter
- · Replies 3 ·
Energy loss in ball throw and projectile range from spring cannon
- Kuro
- · Replies 3 ·
Slingshot, need Position/time, acceleration and velocity formulas
- anto3232
- · Replies 3 ·
How Long Does It Take a Plane to Circle Once at 110 m/s?
- golriz
- · Replies 3 ·
Finding the upward force acting on an object
- shootingrubbe
- · Replies 1 ·
Uncertainty principle and hydrogen atom electron
- stickplot
- · Replies 1 ·
What Is the Speed of a Mass Displaced from Equilibrium on a Spring?
- nlkush
- · Replies 4 ·
Calculating the Initial Speed of an Arrow Shot Horizontally
- catmd13
- · Replies 1 ·
Energy of a 2.4kg mass oscillating at 5.0Hz with 7.0cm amplitude
- nlkush
- · Replies 6 ·
Uses of various components in electrical systems
- Riddles
- · Replies 8 ·
Density of Earth's Mantle w/o knowing radius
- Serik
- · Replies 8 ·
Rearranging kinematic equations to solve for acceleration
- KayAr
- · Replies 6 ·
Block on table pulled by two hanging masses over pulleys
- Univarn
- · Replies 4 ·
Calculating Impact Speed of 4.00kg Cannon Ball Dropped from 55.0m
- redbutterfly
- · Replies 3 ·
Relationship between heat and resistivity of a wire
- sollinton
- · Replies 3 ·
How Is Optimal Load Resistance Calculated in Parallel Battery Circuits?
- w3390
- · Replies 1 ·
What is the Wavelength of a Tuning Fork with 1000Hz Frequency?
- HelgaMan
- · Replies 5 ·