Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Motion and Position-Time Graphs
- Jacobpm64
- · Replies 1 ·
Brass rod fitting through copper sheet clearance at temperature
- kris24tf
- · Replies 1 ·
Why must the greatest mass be less than the sum of the other two on a force table?
- suspenc3
- · Replies 1 ·
How Do Collisions Affect Momentum in Physics Problems?
- hshphyss
- · Replies 1 ·
Got a Sound Wave Question for you thinkers
- DaMastaofFisix
- · Replies 1 ·
Force Resolving Structural Engineering Problem
- The Gradient Guru
- · Replies 2 ·
Calculating Electric Field at 4th Corner of Rectangle with 3 Charges
- Pseudo Statistic
- · Replies 1 ·
Some problems with rotational motion
- jrd007
- · Replies 5 ·
Magnetic Fields affect on voltage
- KatieKangaroo
- · Replies 1 ·
Stone thrown up at 19.6 m/s: velocity and position at 1s, 2s, 3s
- fabbo
- · Replies 14 ·
How can you measure speed of a plane from the ground?
- brahim
- · Replies 1 ·
Calculating the Mass of the Earth Using Orbital Data
- NoMeGusta
- · Replies 6 ·
Calculating Power to Drag 100kg Log Down 20° Hillside at 0.50 m/s
- NoMeGusta
- · Replies 3 ·
Block sliding at constant speed with friction: why is my coefficient wrong?
- RoKe
- · Replies 2 ·
How Do You Calculate the Rotational Inertia of a Rotating Door?
- Nm
- · Replies 2 ·
How to Calculate Energy Loss in an Inductor with Internal Resistance?
- meadow
- · Replies 2 ·
Spring balance reading on a sinusoidal road at constant velocity
- Doppler
- · Replies 1 ·
Will All the Ice Melt in a Box with a Heat Capacity of 80J/K?
- Izekid
- · Replies 1 ·
Conservation of angular momentum of a uniform thin rod
- ViewtifulBeau
- · Replies 1 ·
What Is the Minimum Speed to Prevent Water Spillage in a Rotating Pail?
- lunarskull
- · Replies 1 ·
Understanding Diode Display on a C.R.O.
- QueenFisher
- · Replies 9 ·
Sources of Error in Standing Waves Lab
- dekoi
- · Replies 3 ·
How Does Hubble's Law Calculate Redshift for Distant Galaxies?
- SN1987a
- · Replies 4 ·
Angular acceleration of meter stick after removing one mass
- Nm
- · Replies 5 ·
Find the translational kinetic energy of its center of gravity
- AdnamaLeigh
- · Replies 1 ·
Rotational kinetic energy of cylinder rolling down 15° incline
- brad sue
- · Replies 1 ·
How Does Angular Acceleration Affect Rotational Motion?
- rockmorg
- · Replies 1 ·
Tug of War Acceleration: 60kg and 40kg Girls on Icy Surface
- emma123
- · Replies 1 ·
Ball thrown from moving train observed to rise vertically from ground
- xkamranx
- · Replies 3 ·
What is the Angular Speed of a Toy Train's Wheel in a Rotating Track System?
- ViewtifulBeau
- · Replies 2 ·
Calculating Wind Velocity for Pilot's Flight Route
- DB
- · Replies 2 ·
What Is the Molecular Formula of the Alkane in This Chemistry Problem?
- daphap
- · Replies 1 ·
Finding breaking distance when force and velocity are given
- emma123
- · Replies 3 ·
How Do You Calculate the Unknown Mass in an Atwood's Machine?
- Quadratic
- · Replies 1 ·
Finding center of mass of a picture
- runawayshoes
- · Replies 5 ·
Anyone see where I messed up on finding the current?
- mr_coffee
- · Replies 6 ·
Centripetal Force Experiment: Measuring Acceleration on a Turntable
- SN1987a
- · Replies 2 ·
What Does the "p" in "1.25p r/s2" Mean?
- amcavoy
- · Replies 3 ·
Elastic collision between proton and helium nucleus, and tennis ball impulse
- jdword
- · Replies 1 ·
How would this work (electricity question)
- JimmyRay
- · Replies 2 ·
Finding an electric field from a scalar field
- Noone1982
- · Replies 3 ·
Drawing a free body diagram for a block pulled by a string at 45°
- elle
- · Replies 4 ·
A simple ladder problem (equilibrium)
- NutriGrainKiller
- · Replies 4 ·
One more problem overcoming friction
- tenchick19
- · Replies 1 ·
How do I interpret magnetic fields due to electric currents?
- mr_coffee
- · Replies 3 ·
How far does the marble travel before hitting the floor?
- F.B
- · Replies 3 ·
What is the fraction of a rope that can hang over a table without sliding?
- courtrigrad
- · Replies 4 ·
Coursework on Properties of Aluminium
- tomfitzyuk
- · Replies 1 ·
What is the acceleration of the wedge on a slope with a block on top?
- Pixter
- · Replies 2 ·
Conservation of Energy, Centre of Mass and Linear Momentum
- Pioneer
- · Replies 7 ·
Calculate the work done to locate a 150kg satellite
- UnD
- · Replies 3 ·
RMS to Peak Conversion: Magnetic Field Experiment
- spacetime
- · Replies 2 ·
What Causes Potato Chip Bags to Burst in the Mountains?
- touqra
- · Replies 11 ·
Racing car with lift and downforce forces
- puregoodboi
- · Replies 1 ·
What does "Work done on the object" mean
- duoheer
- · Replies 1 ·
Heat - Energy Transfer Question
- Ve3Mike
- · Replies 1 ·
How Does the Theory of Relativity Explain Time Differences Between Cities?
- mystry4
- · Replies 3 ·
Standing Waves in Research Industry
- dekoi
- · Replies 1 ·
Helium balloon lifting capacity with 7.35 m radius and 930 kg balloon
- confusedbyphysics
- · Replies 2 ·
MI moment of inertia on pulley
- tubworld
- · Replies 2 ·
How Does Light Intensity Change Through Three Stacked Polarizing Films?
- chaosprimer
- · Replies 1 ·
How do you prove the force between two conductor plates is F=q^2/2eA?
- brentd49
- · Replies 5 ·
Physics problems requiring calculus and integration to solve
- SpeeDFX
- · Replies 2 ·
What is buoyancy and how is it used in problem-solving?
- pushpa
- · Replies 1 ·
Angular acceleration of particles on a rod and tensions in a disk pulley system
- Shadow Cloud
- · Replies 7 ·
Does a Suspended Baseball Bat Really Function as a Simple Pendulum?
- Cougar1112
- · Replies 2 ·
Solving Oscillation Problem: Find Time for Pendulum with 30m Cable
- Cougar1112
- · Replies 2 ·
Solving Elevator Accleration Problems with a Bathroom Scale
- sunshine9489
- · Replies 4 ·
Maximum velocity on a banked curve with friction
- celticsthree4
- · Replies 5 ·
If the polar ice caps melted, would a day be longer or shorter?
- confusedbyphysics
- · Replies 8 ·
Finding the weight of each boy on a seesaw with torque
- Equilibrium
- · Replies 20 ·
Rotational Dynamics - sphere,block,pulley
- nyyfan0729
- · Replies 1 ·
Temperature and frequency in an organ pipe
- erik-the-red
- · Replies 4 ·
Light energy produced by a 60W bulb over 10 hours
- RMHAZARD
- · Replies 6 ·
Find Velocity of Centripetal Ball Before Swing Out
- PrudensOptimus
- · Replies 10 ·
Calculate the Overall Velocity of Dropped Hamper from 3000m Height
- snowbelle
- · Replies 4 ·
AC circuits and Kirchoff's laws
- koroljov
- · Replies 1 ·
How Many Freon Cycles to Lower Refrigerator Air by 12°C?
- christodoulou Andrea
- · Replies 3 ·
What Amplitude Ensures a Computer Withstands 32g in Simple Harmonic Motion?
- kpangrace
- · Replies 2 ·
Proving properties of a quadrilateral using vectors
- forevergone
- · Replies 9 ·
Finding momentum of a 0.19 kg ball of dough at half its maximum height
- hshphyss
- · Replies 18 ·
Vector Proofs: A Quadrilateral thing #2
- forevergone
- · Replies 2 ·
Inductance of a coil in an AC L-R circuit
- ToxicBug
- · Replies 4 ·
How is Work Calculated When Walking Up a Hill?
- Atilla1982
- · Replies 7 ·
Paper boy problem (relative motion)
- DB
- · Replies 8 ·
Find Magnitude of Initial Acceleration for Rod of Length 1.29m
- Punchlinegirl
- · Replies 2 ·
How Much Work Is Needed to Accelerate a Baton to 5.6 rad/s?
- SoccaCrazy24
- · Replies 2 ·
Plane flying at 125 m/s south with 25 m/s wind 30° north of east
- sweet877
- · Replies 13 ·
What is the relationship between simple harmonic motion and amplitude?
- dustybray
- · Replies 3 ·
How Is the Net Force on Earth Calculated When Aligned with the Moon and Sun?
- SoccaCrazy24
- · Replies 1 ·
Destructive Interference of a Sound Wave
- Ike
- · Replies 1 ·
Calculate the weight of the satellite on the surface of the Earth
- SoccaCrazy24
- · Replies 2 ·
Forming Linear Equations From Non-Linear Equations
- K - Prime
- · Replies 4 ·
Finding the angular velocity of a driven wheel from a driving wheel
- donjt81
- · Replies 9 ·
What is the net force on the fish in this fishing scenario?
- reliquator
- · Replies 3 ·
Velocity in two motions (X and Y) ?
- vinny380
- · Replies 3 ·
What Formula Determines Average Velocity During Impact?
- Atilla1982
- · Replies 2 ·
How Does Destructive Interference Occur at Point Q in a Double-Slit Experiment?
- foxtrot2
- · Replies 1 ·