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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Just a quick check for my solutions - ice patch friction
- Elpinetos
- · Replies 5 ·
Newton's Third Law of Motion and wrecking ball
- Sylis
- · Replies 8 ·
What is the Acceleration of a Small Body Moving on a Parabola?
- GregoryGr
- · Replies 2 ·
Bead sliding on a rotating rod Lagrangian
- CAF123
- · Replies 11 ·
An outsider begging for assistance - motorcycle acceleration
- Jlkohel911
- · Replies 7 ·
Finding 'a' when 'x' is given as a function of 't'.
- Noob245
- · Replies 10 ·
How to Convert Units for Coulomb's Law Equations
- kh199
- · Replies 1 ·
Calculating Centre of Mass of a Uniform Object
- BMcC
- · Replies 2 ·
How Do You Calculate Magnetic Field Magnitude for a Specific Flux?
- Yosty22
- · Replies 5 ·
Dennis and Carmen problem with my trial solution , is it right?
- nareeman
- · Replies 5 ·
Body thrown at angle to the horizon taking into account air resistance
- tawki
- · Replies 1 ·
Model Rocket Impulse and momentum problem
- bchat112000
- · Replies 7 ·
Calculate Pressure Increase of Frozen Water in Engine Block
- Nemo's
- · Replies 3 ·
Calculating Acceleration and Velocity in Newton's Third Law Scenario
- oMovements
- · Replies 5 ·
Electric field conductor question
- lianghongjian
- · Replies 1 ·
Calculating Rotation Rate for a Diver Jumping from 13m High Tower
- nickb145
- · Replies 4 ·
Speed at Maximum Height and Initial Velocity
- woaini
- · Replies 5 ·
Understanding Current Sense in Circuits: The Reversal Dilemma
- sevag00
- · Replies 2 ·
How Do I Calculate the Magnitude and Direction Angles of a 3D Vector?
- stephhhh
- · Replies 2 ·
How Does Newton's Second Law Apply to Highway Safety?
- oMovements
- · Replies 3 ·
How Do You Calculate the Moment of Inertia for a T-Shaped Section?
- member 392791
- · Replies 16 ·
Hohmann Transfer Orbit (Simple)
- bmb2009
- · Replies 2 ·
What is the speed of a piece of a spaceship that blew up?
- oneamp
- · Replies 4 ·
Solving for current in a circuit
- Miike012
- · Replies 4 ·
Capacitance 3 dielectrics sandwiched between two conductors.
- MostlyHarmless
- · Replies 3 ·
Solving a Tricky Tension Problem on a Moving Train
- stateofdogma
- · Replies 2 ·
How do I calculate the tension in cable 1 without using the tension in cable 2?
- ijd5000
- · Replies 2 ·
Checkpoint: Conservative Forces And Potential Energy
- alha0382
- · Replies 1 ·
Why Does Cos(30) Calculate the Correct Frictional Force on a Sliding Crate?
- jfk313
- · Replies 2 ·
Pulley and Friction: Solving for Mass and Acceleration on an Inclined Plane
- Coco12
- · Replies 6 ·
How Does Resistivity Vary in a Conical Material with Changing Dimensions?
- DrIxn
- · Replies 5 ·
Isothermally Expanding Question
- PsychonautQQ
- · Replies 2 ·
How Is the Contact Force Between the 7kg and 11kg Blocks Calculated?
- Nicolaus
- · Replies 3 ·
Electrical repuls./attract. btwn uniform charge density and object
- prslook26
- · Replies 5 ·
Burning fossil fuels math problem
- courtneywetts
- · Replies 11 ·
Area of triangle given 3 vectors pointing to vertices
- majinsock
- · Replies 5 ·
Conservation of Angular Momentum Question
- PsychonautQQ
- · Replies 2 ·
Conservation Of Energy, Block Sliding Down Incline Onto Spring.
- Creepypunguy
- · Replies 4 ·
How Does Flipping a Capacitor Affect Charge and Capacitance in a Circuit?
- DrIxn
- · Replies 2 ·
Which Iceboat Finishes with Greater Momentum?
- learnitall
- · Replies 3 ·
Calculating Displacement for Cody and Megan
- mirandaeb
- · Replies 1 ·
Finding minimum electrostatic energy
- x00m_x00m
- · Replies 5 ·
Equilibrium of frame with two masses
- VHAHAHA
- · Replies 9 ·
Tension of an object hanging in an airplane
- Rubber Ducky
- · Replies 2 ·
Behavior of Air Molecules when Heated
- Betadine
- · Replies 1 ·
What Determines the Electric Field Inside a Spherical Cavity?
- rockbreaker
- · Replies 3 ·
Capacitance in a conducting cylinder
- oreosama
- · Replies 7 ·
Electric potential of a uniformly charged thin rod.
- freshcoast
- · Replies 15 ·
Physics Energy - how fast ball is moving from certain height
- astru025
- · Replies 35 ·
Finding magnitude of vector B given resultant and angle
- Ampere
- · Replies 7 ·
Why Is the Current Negative in This Circuit Division Equation?
- Miike012
- · Replies 3 ·
Solving Dynamics-Friction for Max θ w/ μ_s=0.25
- hsphysics2
- · Replies 1 ·
How Do You Calculate Normal Force with Angles and No Friction?
- hsphysics2
- · Replies 1 ·
Dynamics and Friction: Solving for Maximum Angle on a Ramp with μ_{s}=0.25
- hsphysics2
- · Replies 3 ·
How Does Rocket Mass Variation Affect Its Motion Equation?
- embphysics
- · Replies 13 ·
Find the force required to prevent the mass m2 from descending
- fogvajarash
- · Replies 16 ·
A fire helicopter carries a bucket of water
- physicschico
- · Replies 1 ·
How Do Pulleys Influence Circular Motion Mechanics?
- Panphobia
- · Replies 1 ·
Is Work done when there is constant velocity?
- ericka141
- · Replies 4 ·
Deriving the Lorentz transformation equation for time
- cr41g
- · Replies 18 ·
Calculate Magnitude of Impulse on 920-kg Car
- RevX
- · Replies 1 ·
Calculating Acceleration in Non-Uniform Circular Motion
- Panphobia
- · Replies 7 ·
Maximum Spring Elongation for a Block on a Horizontal Ideal Spring
- anthonych414
- · Replies 1 ·
Wave function eigenfunction of energy and momentum operators
- Craptola
- · Replies 4 ·
Solve Kinematic Equations for Collision of Carts
- Bocian
- · Replies 36 ·
Angular Momentum Collision Problem
- PsychonautQQ
- · Replies 3 ·
Finding friction force on a three-picket fence and tension in a glider system
- Solemony
- · Replies 3 ·
Blockk on a table with a pulley
- atwood9
- · Replies 1 ·
Max height of thrown object with 12m/s at 1/5 of height
- brundlfly
- · Replies 4 ·
Solve Dimensional Analysis: Find Dimensions of B
- Pajamas
- · Replies 5 ·
Can you correctly measure wave properties but get wrong wavelength?
- bkraabel
- · Replies 6 ·
Effect of resistance on photoelectric current
- ryanhowh
- · Replies 1 ·
Converting Galvanometer to Ammeter: Resistance Wire Placement
- zonie
- · Replies 1 ·
Find Displacement/ Velocity/ Acceleration of clock
- sakkid95
- · Replies 5 ·
How High Does the Flowerpot Rise Above the Window?
- QuantumCurt
- · Replies 6 ·
How Do You Calculate Normal Force and Final Velocity on a Frictionless Ramp?
- nickb145
- · Replies 13 ·
Ball thrown from 15m cliff at 30° above horizontal
- d21
- · Replies 4 ·
Thermodynamics - Question with my answer
- manal950
- · Replies 3 ·
Accelerating a Mass up an incline by pushing said Incline
- splitinferno
- · Replies 3 ·
Displacement of a diving dolphin
- brundlfly
- · Replies 1 ·
How Is the Stone's Trajectory Calculated When Thrown at an Inclined Roof?
- postfan
- · Replies 3 ·
Velocity and Pressure Distribution in a rotating cylinder
- 157
- · Replies 1 ·
Calculating Box Mass from Work and Height: 250J, 10.0m, g=9.81m/s^2
- woaini
- · Replies 1 ·
What are the equations for solving planetary motion problems?
- Plutonium88
- · Replies 6 ·
Power and Speed Relationship for Lifting Objects
- woaini
- · Replies 7 ·
Electric field between two wires
- depredador93
- · Replies 1 ·
How Does Charge Distribution Affect Electric Field in a Square Configuration?
- bpichich
- · Replies 3 ·
What is the Correct Formula for System Acceleration to Prevent Slippage?
- darksyesider
- · Replies 1 ·
How Much Force Can Be Applied Before the Top Box Slips?
- Kakateo
- · Replies 1 ·
How Does Throwing a Ball from a Moving Flatcar Affect Its Trajectory?
- postfan
- · Replies 3 ·
How to find angle of inclination of an equilateral
- nickb145
- · Replies 3 ·
Proton and alpha particle repulsion using Coulomb's law and energy conservation
- kosovo dave
- · Replies 4 ·
Angle Calculation for Particle Velocity and Z-Axis at Given Time t1
- postfan
- · Replies 18 ·
Are the polarities of the wires connected to the circuit element incorrect?
- Miike012
- · Replies 1 ·
Conservation of motion and basketball shot
- xdctassonx
- · Replies 3 ·
Speed of freight car (momentum transfer)
- MuIotaTau
- · Replies 6 ·
Conservation of energy in a circle arc.
- tomkoolen
- · Replies 7 ·
Finding a relationship for the ball's speed with the following clues.
- GreenTea09
- · Replies 1 ·
Lagrangian Mechanics, bead on a hoop
- dumbperson
- · Replies 26 ·
Calculating Q for Shear Flow at Box Girder Points
- MMCS
- · Replies 5 ·