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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What Is the Correct Method to Solve Rolling Motion Problems on an Incline?
- Soaring Crane
- · Replies 10 ·
How to Use SI Units in Equations for Scientists
- CSPTT
- · Replies 11 ·
Calculate the terminal velocity from a displacement-time graph?
- fickle
- · Replies 5 ·
Energy Carried by Electromagnetic Waves- why is it wrong?
- edlin
- · Replies 4 ·
Proving the Work-Equation Relationship: A Mathematical Analysis
- dan_c_101
- · Replies 5 ·
What magnitude of force must the worker apply to move the crate
- neji006
- · Replies 9 ·
Calculating Gravity and Weight on Krypton
- Cicima
- · Replies 14 ·
Will Tarzan safely cross the river?
- Karex
- · Replies 2 ·
Calculating Moment of Inertia for Non-Uniform Mass Contribution
- myer784
- · Replies 1 ·
What is the Thermal Energy Generated from Sliding Down a Curved Surface?
- saturdaykate
- · Replies 7 ·
Derivation of equation for mass on pulley and displacement
- TrippingBilly
- · Replies 3 ·
Find w2 and angle a for leg in traction equilibrium
- n_ds
- · Replies 4 ·
How Do You Calculate Arc Length and Angle Measurements in Circular Motion?
- 8parks11
- · Replies 2 ·
Projectiles physics problem - due tomorrow ;_;
- voodoodoodoo
- · Replies 4 ·
Power Analysis of an Unknown Device in a Series AC Circuit Setup
- nontypicalazn
- · Replies 5 ·
Power to lift 58kg object 12m in 5.6s
- nevag07
- · Replies 1 ·
What is the final temperature if only one ice cube is used?
- Forceflow
- · Replies 7 ·
Angular Momentum multiplication
- cowmoo32
- · Replies 1 ·
Are Hz and s⁻¹ the Same for Wave Frequency?
- jnimagine
- · Replies 1 ·
Mercury rise in U-tube with different cross-sectional areas
- mirandasatterley
- · Replies 14 ·
Newton's 3rd law and kinetic friction
- sunbunny
- · Replies 14 ·
Fbd problems using Newtons second law
- agentlxl
- · Replies 3 ·
this guestion is really bugging me
- grego89
- · Replies 6 ·
Angular Kinematics: Calculating Wheel Rotation in 5s
- jesuslovesu
- · Replies 2 ·
Does Wood on Wood Increase Frictional Force Compared to Other Surfaces?
- oliviecheng
- · Replies 3 ·
Particle accelerating in one direction with initial velocity in another
- XPX1
- · Replies 12 ·
Wheel rolling up hill with friction and child on rotating turntable
- cukitas2001
- · Replies 8 ·
How To Determine Newton Meter Force
- Mr. Nice Guy
- · Replies 1 ·
Find force when given air pressure and volume
- physics1007
- · Replies 3 ·
Question that i am finding really hard
- n_ds
- · Replies 10 ·
Rotational Kinetic Energy and Work
- parwana
- · Replies 1 ·
Determining Height of Mercury in U-tube: Air Flow Rate of 1200 cm^3/s
- asdifnlg
- · Replies 3 ·
Calculating Velocity and Work on an Inclined Plane with and without Friction
- saturdaykate
- · Replies 15 ·
How Do You Calculate Total Kinetic Energy of Krypton at 350 K?
- starfish794
- · Replies 1 ·
Periodic sound by a violin string
- mikefitz
- · Replies 3 ·
Calculating Time and Forces in Juggling Inside a Cone
- Kenny Lee
- · Replies 6 ·
Astronaut-Satellite Separation Calculation
- sunbunny
- · Replies 4 ·
What is the rotating light bulb wings experiment and what's wrong with it?
- Peapod
- · Replies 1 ·
Why Doesn't a Satellite's Radial Velocity Increase as It Revolves?
- john fairbanks
- · Replies 4 ·
Finding unknown mass using momentum conservation and two cars
- elitespart
- · Replies 1 ·
Tranverse waves and velocity problem
- dmolson
- · Replies 1 ·
Interacting forces/inclined plane problem
- fsm
- · Replies 3 ·
Convert linear density to area and volumetric density?
- silverdiesel
- · Replies 3 ·
Period of a uniform plank with a spring
- lizzyb
- · Replies 15 ·
A ship going upstream and experiences a frictional force
- fara0815
- · Replies 1 ·
Boiling points of alcohol and mercury?
- jacklwk
- · Replies 2 ·
Electric motor that was attached to a small turbine
- australianschoolkid
- · Replies 14 ·
Ocean Depth at 7.07s Echo Time - 1.22311 km
- mikefitz
- · Replies 2 ·
Calculate Time to Slow Down w/Static Friction on I-79 Exit 147A
- courtney1121
- · Replies 1 ·
Elasticity limit of copper Problem
- loudgrrl4_ever
- · Replies 2 ·
Force between two blocks pushed on a frictionless surface
- potatosticks
- · Replies 1 ·
Tangential speed and orbital period of the sun around the Milky Way
- rmarkatos
- · Replies 1 ·
Static Equilibrium force problem
- music_man05
- · Replies 3 ·
Electrostatic Equilibrium on the x-axis
- kevykevy
- · Replies 5 ·
Very Simple Angular Physics Problem
- chrispsu
- · Replies 6 ·
Finding Moment of Inertia for Wagon Wheel
- PascalPanther
- · Replies 1 ·
How do I calculate averages from experimental data?
- Astro
- · Replies 1 ·
Topic of Paper - What should it be?
- Banaticus
- · Replies 3 ·
Solving Momentum Problem: Max Height of m1 After Elastic Collision
- Elmon
- · Replies 4 ·
Finding distance between two slits in conditions related to Young's Experiment
- wScott
- · Replies 1 ·
How Do Transverse and Longitudinal Waves Differ in a Slinky Experiment?
- jnimagine
- · Replies 1 ·
What other theories/formulas can be linked to a project on bouncing basketballs?
- matha mau sen
- · Replies 4 ·
Board the Boat When It's Within 10cm of the Dock
- Ronnin
- · Replies 7 ·
Force between stacked blocks: 6.0 kg on top of 7.0 kg
- LaShortiie
- · Replies 6 ·
Velocity question with moment of Inertia
- John O' Meara
- · Replies 13 ·
Calculating the Radius of a Floating Aluminum Ball | Fluids Question
- mirandasatterley
- · Replies 13 ·
Newtons Law / Kinematic problem?
- physstudent1
- · Replies 4 ·
How Do You Calculate the Radius of a Submerged Iron Ball?
- bearhug
- · Replies 1 ·
Magnetic fields used in the invention of the telephone
- physicsgal
- · Replies 2 ·
Calculating the telescoping series sum of 1/3(r³ - (r-1)³ - 1)
- alias25
- · Replies 1 ·
What is the required water pressure and flow for a ball fountain?
- krickon
- · Replies 9 ·
Spring Conservation with Gravity
- Ronnin
- · Replies 3 ·
Forces and friction homework problems
- koralex90
- · Replies 1 ·
Momentum of an asteroid / Earth
- canvas01
- · Replies 1 ·
Volume of Secret Compartment in Brass Sculpture
- brncsfns5621
- · Replies 5 ·
Momentsand Forces acting on a ruler
- sarahcate
- · Replies 2 ·
Elastic collision of 0.1 kg and 0.4 kg wagons with bumpers
- Alec
- · Replies 10 ·
Volume Thermal Expansion Question ?
- cheechnchong
- · Replies 1 ·
Sound intensity with three machines instead of seven (in dB)
- stumped23
- · Replies 1 ·
Total Kinetic Energy and some other problems
- Tier
- · Replies 6 ·
What is the minimum thickness of a thin film for maximum light reflection?
- Liquefaction
- · Replies 1 ·
How to stop a free-falling elevator
- bfosler
- · Replies 1 ·
Coefficient of static friction for car on 16° ramp
- Soshamim
- · Replies 1 ·
Ball sliding until kinetic friction causes rotation to constant speed
- Whitebread1
- · Replies 11 ·
How far up a ladder can a person climb before it slips?
- gibson72
- · Replies 2 ·
Coefficient of static friction on a banked curve at 62.5 m/s
- Fittler
- · Replies 3 ·
Find axis to minimize moment of inertia
- vu10758
- · Replies 6 ·
Calculating Moment of Inertia for a Sphere: What's the Best Approach?
- Ja4Coltrane
- · Replies 2 ·
Practical Ways to Lose Weight: The Power of Metabolizing Fat and Exercise
- cy19861126
- · Replies 5 ·
Compute Grounding Resistance for Sphere Electrode
- parsifal
- · Replies 3 ·
How Do You Calculate Wall Forces in Beam Equilibrium Problems?
- shaka23h
- · Replies 6 ·
Projectile motion of an arrow to an apple
- ornitho
- · Replies 5 ·
How High Must a Cylinder Roll to Loop-the-Loop?
- GemmaN
- · Replies 1 ·
How to Determine g from a T^2 vs. L Graph
- 8parks11
- · Replies 6 ·
What is the Angular Speed of the Spool After the Bucket Falls?
- Touchme
- · Replies 1 ·
How Does Water Pressure Change with Velocity and Elevation in a Tapered Pipe?
- bearhug
- · Replies 3 ·
Pendulums colliding - collision
- superdave
- · Replies 4 ·
Center of Mass Projectile Problem
- itsme24
- · Replies 3 ·
Cable friction and tension problem
- Zeno's Paradox
- · Replies 2 ·
Identifying Newton's Laws in Physics-B Situations
- 8parks11
- · Replies 2 ·