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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Achieving Horizontal Motion of a Crate: A Physics Challenge
- Melawrghk
- · Replies 10 ·
Finding height using Conservation of Energy
- Kajayacht
- · Replies 4 ·
Work and force (my answers keep being wrong please someone explain)
- bubba640
- · Replies 1 ·
How Do Rotational Transformations Affect Coordinates?
- Fusilli_Jerry89
- · Replies 3 ·
Zoroaster Planet Escape Speed Calculation for Meteor Collision
- ~*Noor*~
- · Replies 1 ·
Finding Resultant Force: Calculation and Explanation
- rahul222
- · Replies 31 ·
How Does Magnetic Field Strength Affect Ion Trajectory in a Mass Spectrometer?
- k4s11
- · Replies 1 ·
Coefficient of kinetic friction between the crate and the floor?
- jillgotcher
- · Replies 3 ·
Capacitors With and Without Dielectric
- jchoca
- · Replies 1 ·
Projectile Motion given angle and distance, find intial velocity
- ScullyX51
- · Replies 5 ·
Bus Speed Needed to Coast to Top of 0.88m Hill - Homework Solution
- Kajayacht
- · Replies 3 ·
Cable Car and Counterweigh- A Problem of Tension, Friction, and Kinematics
- Phoenixtears
- · Replies 6 ·
3 Blocks Create a Tension Force- Find Acceleration
- Phoenixtears
- · Replies 4 ·
Pushing Crate up Frictionless Slope Find Work
- Spartan Erik
- · Replies 2 ·
Calculating Initial Velocity Needed to Reach Specified Height
- goombachu
- · Replies 6 ·
How Does a Climber Use Friction to Stay Stationary?
- WoArt
- · Replies 2 ·
Simple average speed (quick glance should do the trick)
- mbisCool
- · Replies 2 ·
Deriving Potential Energy and Variance in a Simple Harmonic Oscillator
- mhellstrom
- · Replies 6 ·
Mass and Radius of a Planet given v
- chitoboy18
- · Replies 1 ·
Pulling a sled - find friction & force exerted on puller
- BoogieBot
- · Replies 1 ·
Calculating the Speed of a Dropped Rock on Mars
- kmiller
- · Replies 3 ·
What causes constand acceleration?
- tcjeremy
- · Replies 2 ·
Given height find how fast its moving
- kmiller
- · Replies 6 ·
Two-Dimensional motion components
- wallace13
- · Replies 3 ·
Motion and force along a curved path-angle of curves?
- a18c18
- · Replies 1 ·
Calculus based physics problem. (energy and fricition)
- oohaysomeone
- · Replies 1 ·
Simple Torque Problem With Picture, Help
- raven2783
- · Replies 6 ·
Calculating Potential Energy Changes in a Hanging Mass and Glider System
- tippetmaster
- · Replies 4 ·
Mechanics question on dropping soldiers
- leyyee
- · Replies 5 ·
Motion and force along a curved path
- a18c18
- · Replies 1 ·
Finding block speed as spring returns with unknown spring constant
- Awwnutz
- · Replies 3 ·
Finding Al's Mass in a Momentum Problem
- JSmith89
- · Replies 4 ·
Spring constant discrepency (force vs work)
- krausr79
- · Replies 4 ·
Work to push a sled up a hill: Friction, inclines,force,work
- krausr79
- · Replies 2 ·
Calculating Soccer Ball's Speed at Goalie's Catch
- whyorwhynot
- · Replies 4 ·
How Does a Swimmer Navigate a River with a Current?
- tphy_08
- · Replies 3 ·
Calculating Tire Radius Given Mass, Friction & Velocity
- lalalah
- · Replies 4 ·
What is the minimum angle for box to start slipping?
- anubis01
- · Replies 3 ·
Free Body Diagrams & 3rd law pair forces.
- JasonS
- · Replies 1 ·
Maximum amount of energy that can be released as heat and sound
- DocZaius
- · Replies 2 ·
Trigonometry or components to find the displacement
- ScullyX51
- · Replies 2 ·
Analyzing 2-Lens System: Image Position, Magnification & Nature
- anizet
- · Replies 1 ·
Solving a Spring-Block Problem: Find V,H
- myk127
- · Replies 6 ·
How Does Relative Velocity Affect a Swimmer's Path Across a River?
- confusedguy87
- · Replies 1 ·
Understanding Friction: A Systematic Approach to Solving Problems
- ritwik06
- · Replies 4 ·
Calculating Acceleration and Tension on an Inclined Plane with Friction
- nvictor
- · Replies 7 ·
Interfence with reflected sound
- sanado
- · Replies 4 ·
What is the Average Acceleration of a Car Striking a Tree at 90 km/h?
- Gustason
- · Replies 2 ·
Acceleration given velocity and distance
- swede5670
- · Replies 1 ·
What is the acceleration of the elevator?
- Abb
- · Replies 4 ·
Forces and friction, moving a crate
- mg0248
- · Replies 1 ·
What Is the Joule Thompson Effect and How Is It Calculated for Different Gases?
- Snoop06
- · Replies 1 ·
Friction/Kinematics Question. Conveyor Belt.
- swooshfactory
- · Replies 3 ·
Gravitational Field Strength Help
- shootingrubbe
- · Replies 3 ·
How Do You Calculate Initial Velocity with Kinetic Friction?
- ayreia
- · Replies 2 ·
How to Calculate Coefficient of Kinetic Friction in a Block-Spring System
- Awwnutz
- · Replies 9 ·
Solve Block and Friction Problem: Get Tips & Help Now
- physics_learn
- · Replies 7 ·
Projectile Motion and Velocity Problem
- maniacp08
- · Replies 29 ·
Solving Bullet Train Speed Change Problem
- physics_learn
- · Replies 3 ·
Calculating Cable Car's Speed on Hill Descent - 4122N Braking Force
- bluebear19
- · Replies 11 ·
How Do I Solve These Challenging Physics Problems?
- uno
- · Replies 4 ·
Calculating Energy in a Box with a Flashlight
- andrewm
- · Replies 2 ·
Magnetic Field and electron beam
- strawberrysk8
- · Replies 4 ·
Discovering Relativity: Calculating Spaceship Speed and Separation
- esb08
- · Replies 5 ·
Spacecraft Acceleration Question
- Lokhtar
- · Replies 1 ·
What Formula is Used for Part B of the Elephant and Hydraulic Lift Problem?
- jason_r
- · Replies 2 ·
Kinetic Theory of Gases & Escape Speed
- emperrotta
- · Replies 1 ·
Fringe Radius Relation for Small Times t
- Ciato
- · Replies 1 ·
Circular Motion, Velocity at top/bottom question
- swooshfactory
- · Replies 1 ·
How High Does the Child Become Airborne on a Slide?
- hsbc2003
- · Replies 2 ·
How Do You Calculate Trip Duration and Distance with Stops and Average Speed?
- aquapod17
- · Replies 1 ·
Tension or Compression: Determining the Forces on a Hinged Support Point
- tonald
- · Replies 5 ·
Skydiver's velocity with retarding forces
- rpcarroll
- · Replies 7 ·
How Quickly Can a Train Accelerate on a Curve Without Exceeding Comfort Limits?
- quantumlight
- · Replies 2 ·
Solving Kinetics Questions: Two Cars Traveling on a Highway
- aquapod17
- · Replies 3 ·
DE: Sound more like an algebra problem :x
- rocomath
- · Replies 2 ·
Do Electricians Avoid Using High Resistance Wires for Household Wiring?
- Nuha99
- · Replies 1 ·
How many people can the raft hold physics problem
- Elvis
- · Replies 3 ·
Why Does the Scale Reading Change in an Elevator?
- joe215
- · Replies 1 ·
Finding Potential Difference Vab in Parallel Circuits
- kushal18
- · Replies 4 ·
Kinematics, given only vi vf and d
- Omnistegan
- · Replies 4 ·
Calculating Electron Speed in Potential Difference of 25.0 V
- strawberrysk8
- · Replies 7 ·
Ranking tension in different crates
- I_LuV_FiZiX
- · Replies 1 ·
Projectile motion (one try left, 2 hours to complete)
- I_LuV_FiZiX
- · Replies 1 ·
Heat - What is the temperature of this object?
- MIA6
- · Replies 2 ·
What Happens to the Bananas When a Monkey Climbs the Rope?
- joe215
- · Replies 1 ·
What is the Mass of the Suspended Block in a Two-Block Pulley System?
- xmflea
- · Replies 12 ·
Kinematics Test Question: Can You Solve This Sheriff and Robber Pursuit Problem?
- zach5681b
- · Replies 2 ·
This question is driving me nuts. (counter-balancing forces)
- Leid_X09
- · Replies 10 ·
What Are the Frequencies of the First Two Overtones in a Closed Air Column?
- Exhonour
- · Replies 1 ·
Solve Drag Force Problem: Find Time to Reach 2% of Orig. Speed
- Symstar
- · Replies 9 ·
Friction Coefficients and Minimum Normal Force
- Sligh
- · Replies 2 ·
Does Acceleration Affect Weight Readings?
- I_LuV_FiZiX
- · Replies 1 ·
Find Net Force of 2.5x10^5N Training Helicopter
- xmflea
- · Replies 1 ·
Friction problem, getting started
- maniacp08
- · Replies 6 ·
How do you find Acceleration when given Distance and Time?
- Johnny56
- · Replies 3 ·
How Do You Calculate Relative Velocity Between Two Moving Cars?
- hockeynicole
- · Replies 1 ·
Thermodynamic problem using ideal gas( me (T_T) )
- jabjab
- · Replies 2 ·
Finding distance and time? i already found out half of the problem.
- mandaa123
- · Replies 1 ·
Simple pulley system + kinetic friction, find tension
- closer
- · Replies 3 ·