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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G for the new carWhat is the fuel efficiency (MPG) for the new car?
- stevo13
- · Replies 8 ·
Does this solution exhibits resonance
- ElDavidas
- · Replies 3 ·
Can You Compress a 95% Vacuum in a Sealed Cylinder?
- Roger900
- · Replies 4 ·
What Determines Object Behavior Post-Collision?
- scryedzxp
- · Replies 13 ·
Moveable pulleys you multiply the mechanical advantage
- Chocolaty
- · Replies 11 ·
Finding V6 and I6 in a circuit with resistors
- PhysicsN3rd
- · Replies 6 ·
Coin in water pool, how does coin appear? Optics
- frozen7
- · Replies 8 ·
Calculate Theoretical Period of Rotation for Physics Lab
- yosup231
- · Replies 13 ·
Find a 2D Scattered Field Application - Levi
- levi
- · Replies 3 ·
Building a sensor and making measurements
- alex_boothby
- · Replies 3 ·
Projectile with constant acceleration on path y = ax - bx²
- vaishakh
- · Replies 14 ·
Moment of inertia of a bowling pin
- ddoucet
- · Replies 10 ·
Solving Work, Energy & Friction for Block Movement & Spring Compression
- joex444
- · Replies 5 ·
Simple variable control question.
- metalmagik
- · Replies 2 ·
Why are the tensions different for masses on a moving pulley?
- Whitebread
- · Replies 5 ·
Solving Rotational Problem: Find Min Distance & Accels
- Eumcoz
- · Replies 2 ·
Particle slides into a rod and pivots
- joex444
- · Replies 5 ·
.Learning Fluid Dynamics on my Own
- ziad1985
- · Replies 1 ·
Why Is the Total Angular Momentum of a Particle System Constant?
- ElDavidas
- · Replies 1 ·
Two blocks on 30° incline with different friction coefficients
- Seiya
- · Replies 3 ·
Solving the Convergence of Points A and B
- vaishakh
- · Replies 2 ·
Energy created by falling object
- Greg E
- · Replies 1 ·
System of 4 Pendulums: Why Don't They Move Faster?
- teken894
- · Replies 1 ·
Finding wavelength from nodal lines in 2D wave interference
- F.B
- · Replies 1 ·
When Does a Skier Lose Contact with a Snowball?
- courtrigrad
- · Replies 2 ·
Coefficient of kinetic friction in a pulley system with a 4kg and 2kg mass
- psycovic23
- · Replies 1 ·
Help with a question form 1984 physics B AP exam
- Petrikovski
- · Replies 1 ·
Solve Heat Balance Problem: 50g, 30 Deg, 530 Sec, 10W, 100g, 16.1W
- polyperson
- · Replies 5 ·
How Do Electrical Equations Help Calculate Charge and Electron Flow in Circuits?
- runicle
- · Replies 1 ·
How do forces on a hippo change on a steeper hill?
- yosup231
- · Replies 3 ·
Calculate Eccentricity and Period of Central Force III Planet's Orbit
- Nusc
- · Replies 8 ·
What is the ratio between the depths they will sink into the ice?
- s_avraanips
- · Replies 2 ·
Understanding Adiabatic Expansion in Thermodynamics
- vaishakh
- · Replies 3 ·
What is the frequency of the photon?
- helpm3pl3ase
- · Replies 17 ·
Finding electric field intensity of two spheres
- an_mui
- · Replies 8 ·
Electric Potential related question
- kfan321
- · Replies 8 ·
Finding F(r) for orbit r = A/(1+sin θ) and min/max distances
- Nusc
- · Replies 7 ·
How Do Protons Hit a Target Under Electric Field Influence?
- an_mui
- · Replies 3 ·
What does h represent in the energy formula E=hf?
- nvidia17
- · Replies 3 ·
Call me crazy but, I think there might a speed faster than C
- suckstobeyou
- · Replies 12 ·
Measuring Mass, Volume, and Density: How to Obtain Accurate Measurements
- noorey711
- · Replies 2 ·
Easy shameful force and speed question
- scryedzxp
- · Replies 3 ·
F frequency of small diameter organ pipe
- msimard8
- · Replies 5 ·
Two firecrackers separated by 4 seconds in one frame, 3 light-seconds in another
- jaterp
- · Replies 1 ·
Kinematics Equation: Finding Velocity with Mass, Potential Energy, and Gravity
- DonovanX
- · Replies 1 ·
Spring launches 2kg object after compressing 5m, find launch velocity
- avb203796
- · Replies 14 ·
Differential equation that governs the motion of the particle?
- Nusc
- · Replies 4 ·
Momentum and KE in multiple collisions at the same instant
- onizuka
- · Replies 2 ·
Forces and wrecking ball Question
- yosup231
- · Replies 8 ·
Quantum Physics energy between states
- frozen7
- · Replies 1 ·
What is the Angular Speed of a Car Wheel?
- chowyo123
- · Replies 3 ·
Why Is Moving Charge Between Different Voltages Important in Physics?
- Snake
- · Replies 9 ·
Horse pulling sleigh at angle of 15 degrees with friction
- avb203796
- · Replies 6 ·
Find the net torque about an axis through O
- jesuslovesu
- · Replies 6 ·
How Can I Determine the Stopping Time of a Mass on a Spring?
- chandran
- · Replies 2 ·
Madeburg’s Hemispheres from 1657 Revisited
- Roger900
- · Replies 3 ·
Gravitational potential energy change for a box sliding down a 45-degree slope
- avb203796
- · Replies 12 ·
Finding the Distance b/w Particles in Gravitational Field
- vaishakh
- · Replies 2 ·
Stable Equilibria: Is x = pie a Solution?
- Nusc
- · Replies 15 ·
Work and velocity with friction: 100 kg block pushed 100 m
- avb203796
- · Replies 2 ·
Minimum force to lift a 210kg rock with a lever
- donjt81
- · Replies 2 ·
Question from my Kinematics Exam.
- x2468
- · Replies 2 ·
Do projectile A and B land with the same speed at different angles?
- amcavoy
- · Replies 3 ·
Show that orbital period squared is proportional to radius cubed
- Nusc
- · Replies 6 ·
One-dimensional undamped harmonic oscillation
- Nusc
- · Replies 2 ·
Physics audio resources for commuting
- kuahji
- · Replies 3 ·
How Does Physics Explain the Stability and Movement in Jenga?
- rayden54
- · Replies 11 ·
What is the formula for calculating friction and normal force in physics?
- DaFuZzMaStA
- · Replies 24 ·
What is the minimum force needed to make a brick topple in a moving train?
- Omar.Castillo
- · Replies 3 ·
Cofused with this Momentum problem
- teken894
- · Replies 3 ·
Finding slit distance from interfringe spacing in double slit experiment
- Cyannaca
- · Replies 3 ·
Torque Calculation for Jacked-Up Car Changing Tires
- hshphyss
- · Replies 2 ·
Struggling with Torque Problems?
- hshphyss
- · Replies 2 ·
How Do You Solve for X(t) in an Underdamped Oscillator Problem?
- don_anon25
- · Replies 1 ·
Solving for Wavelength of a Harmonic Wave
- physics_ash82
- · Replies 4 ·
Solving a Spring-Mass System Energy Problem
- Dooga Blackrazor
- · Replies 1 ·
Centripetal force with friction and angular velocity
- cheez
- · Replies 7 ·
Vector Resolution and Force Balancing on a Force Table
- avb203796
- · Replies 4 ·
Car displacement after driving west and southwest
- thschica
- · Replies 2 ·
Calculate the work done by a force
- don_anon25
- · Replies 7 ·
How Can Reducing Pallet Weight Increase Coca-Cola's Operational Efficiency?
- 9000_red
- · Replies 7 ·
Angular Velocity of Thin Wheel/Axle System
- asdf60
- · Replies 10 ·
Does pulling paper under an object exert force on the object?
- grief
- · Replies 3 ·
How Is Work Calculated in a Piston-Cylinder Device with a Linear Spring?
- bruceflea
- · Replies 4 ·
How high will the hand glider pilot rise with this energy conservation problem?
- cheez
- · Replies 9 ·
Where Should the Pivot Point Be Placed to Balance a Seesaw?
- answerseeker
- · Replies 1 ·
How Do You Build a Crumple Zone for an Egg Drop with Toothpicks?
- Frank_Horrigan
- · Replies 5 ·
Minimum mirror height to see yourself from head to toe at distance D
- Edgar White
- · Replies 1 ·
Inertia, Friction & Velocity in Golf
- SpaceChic21
- · Replies 7 ·
How Does Phase Change Affect Destructive Interference in Radio Waves?
- Arctangent
- · Replies 4 ·
How Do You Calculate Stopping Distances and Projectile Motion?
- thschica
- · Replies 2 ·
How Do You Calculate Thermal Equilibrium and Ice Formation Times?
- Goalcard
- · Replies 8 ·
Why is the x component of a vector cos(theta) and not sin(theta)?
- seang
- · Replies 4 ·
Object being pushed up an inclined plane
- Bushman
- · Replies 4 ·
Pressure gradient in a rotating centrifuge tube at angular velocity w
- Omar.Castillo
- · Replies 1 ·
Finding tree height from mirror image coverage
- unctarheels1
- · Replies 3 ·
Calculating the Minimum Height for a Safe Amusement Park Ride: A Physics Problem
- courtrigrad
- · Replies 3 ·
Fallacy in Work-Energy theorem?
- rushil
- · Replies 6 ·
What was the weight of the person?
- beaniegoober
- · Replies 3 ·