Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Charged Aluminum Sphere electrons
- StephenDoty
- · Replies 12 ·
Moving Wedge - Give the accelerations in terms of components
- Dschumanji
- · Replies 6 ·
Finding distances B and C for return trip with three displacement vectors
- jcwhitts
- · Replies 2 ·
What Is the Unrealistic Acceleration in Jules Verne's Moon Launch Scenario?
- thermisius
- · Replies 1 ·
Circular motion - marble in bowl
- Thanuka
- · Replies 1 ·
What Happens to a Proton in a Magnetic Field?
- shanie
- · Replies 1 ·
Find charge due to two particles
- StephenDoty
- · Replies 8 ·
Finding spring constant with electron on end
- briteliner
- · Replies 1 ·
Kinematics, volcano eruption speed problem
- rsfancy
- · Replies 2 ·
Magnetic fields/ force on conductors
- alice emily
- · Replies 3 ·
Kicking a Field Goal: Initial Speed Needed for Clear Crossbar
- NotVeryBright
- · Replies 1 ·
Determine the acceleration of the object during this motion
- blayman5
- · Replies 11 ·
Finding displacement and distance from a velocity-time graph
- bumblebee
- · Replies 10 ·
Acceleration Problem: Calculating Time Difference for Porsche vs. Honda 400 Race
- rebeccc
- · Replies 3 ·
Calculating Wind Velocity Using Vectors
- RedBarchetta
- · Replies 5 ·
Kinematics in One Dimension Problem
- pstfleur
- · Replies 3 ·
Simple Train Acceleration after elapsed time question
- rsfancy
- · Replies 2 ·
How Do Two Accelerating Soccer Players Collide?
- kholdstare121
- · Replies 4 ·
Velocity and Acceleration - Verbal Response
- razored
- · Replies 1 ·
Avg Speed of Relay team (x and t are not given)
- crhscoog
- · Replies 1 ·
Average velocity and average speed problem.
- afcwestwarrior
- · Replies 1 ·
What is B = (mu * l)/(2pi*r) used for?
- alice emily
- · Replies 2 ·
Baseball player sliding to home plate acceleration
- bumblebee
- · Replies 4 ·
Max speed and travel time for subway train with 1.54 m/s² acceleration
- mossfan563
- · Replies 10 ·
Finding Mass from Charge and Gravitational Attraction
- ibaraku
- · Replies 5 ·
How Do You Calculate the Angle Between a Vector and the Positive X-Axis?
- imac
- · Replies 1 ·
Kinematics Problem, seemingly missing information
- mcode
- · Replies 3 ·
Force, distance, and a constant
- Jdpaul88
- · Replies 1 ·
What Is the Electric Field at the Surface of a Nucleus with 89 Protons?
- kyin01
- · Replies 4 ·
Mirror Problem: Find the Centre of Circle and Observer Location for Two Mirrors
- rubykap
- · Replies 1 ·
Electrostatic force - charges jumping between objects
- jssutton11
- · Replies 3 ·
Is average velocity always half the sum of initial and final velocities?
- kitle545
- · Replies 2 ·
Max height, freely follwing question
- georgelopez00
- · Replies 3 ·
PhysicsQ/ Adding vectors-equilateral triangle
- Ba.Ala
- · Replies 5 ·
Centrifugal force on a 100 g weight at 1000 rpm
- phynewbie
- · Replies 6 ·
Given total time of given acceleration to get final velocity?
- pebbles
- · Replies 3 ·
Two Displacement Vectors Question.
- imac
- · Replies 2 ·
Width measurements and conversions
- Jdpaul88
- · Replies 4 ·
Energy lost in a lightly damped osciallator
- hemetite
- · Replies 5 ·
Charge added between two connected conducting sheets
- maxmax1
- · Replies 2 ·
Expression for a critically damped system
- hemetite
- · Replies 2 ·
How to find Indicated mean effective pressure?
- falik
- · Replies 2 ·
Freefall with unknown designation of length
- PatrickR.
- · Replies 2 ·
Circular Motion - particle in a bowl
- Thanuka
- · Replies 11 ·
Mechanics problem (Bullet penetration)
- tanzl
- · Replies 8 ·
Finding transverse particle velocity from wave equation
- kali0712
- · Replies 2 ·
Modifying a Car: 0-47 mph Distance Covered
- 99precision
- · Replies 1 ·
Why Can't the Resultant Force Be 0.5N When Two Forces Act on an Object?
- monkeysay
- · Replies 9 ·
Forces on a Spring: Calculate Force and Energy
- B2k
- · Replies 2 ·
Which equation is correct for EMF: V-Ir or V=EMF-Ir?
- RoryP
- · Replies 1 ·
Solve Newton's Laws to Find Mc for Static Position of MD
- sedaw
- · Replies 11 ·
How Many Times Can a Human Chain of the U.S. Population Wrap Around the Earth?
- vintagefreak
- · Replies 3 ·
Problem with conversion/ order of magnitude
- KublaKhan
- · Replies 1 ·
Optics / interference in thin films
- johnj7
- · Replies 1 ·
Does Mass Affect the Orbital Velocity of Satellites?
- scientict
- · Replies 1 ·
How to Find the Electric Force Between Two Charged Spheres?
- germx3
- · Replies 2 ·
Finding Zero Electric Field Points on the x-axis Due to Two Point Charges
- Davetty
- · Replies 2 ·
Need to make sure I am doing these problems correctly.
- Jdpaul88
- · Replies 4 ·
Rotational inertia of two-mass system on a rod
- brainracked
- · Replies 6 ·
Does my friction and work integral work for motion along a curve?
- mrh584
- · Replies 1 ·
Find Focal Length of Lens When Moving From 20cm to 15cm
- Euler_Euclid
- · Replies 5 ·
Specific latent heat of fusion lab
- Boogeyman
- · Replies 3 ·
Electric Field and the Speed of a Proton
- Ithryndil
- · Replies 2 ·
If the speed of sound is 340 m/s, how high is the cliff?
- Domainx
- · Replies 11 ·
How Long Does It Take an Elevator to Travel 199 Meters from Start to Stop?
- mossfan563
- · Replies 9 ·
Basketball shot at 40 degrees from 10m, ball height 2m to basket at 3.05m
- Jeff231
- · Replies 1 ·
How Does Projectile Angle Affect Range When Fired Up a Sloped Hill?
- Serenity16
- · Replies 1 ·
Conceptual question: how do we even see objects?
- johnj7
- · Replies 3 ·
Instantaneous velocity and speed problem
- afcwestwarrior
- · Replies 24 ·
Electric flux through one face of a cube with central charge
- nslinker
- · Replies 26 ·
Cars moving toward each other problem involving constant acceleration
- PatrickR.
- · Replies 3 ·
What Are the Key Variables in Projectile Motion on Planet Exidor?
- Jeff231
- · Replies 3 ·
Calculate the Number of Influenza Viruses on You
- gmunoz18
- · Replies 12 ·
How to Calculate Impact Distance in Ballistic Motion with Given Energy?
- sheri1987
- · Replies 1 ·
Golf Physics Problem: Calculate Range of Initial Velocities
- ldbaseball16
- · Replies 1 ·
Velocity and Acceleration Question
- mossfan563
- · Replies 1 ·
What is the Average Speed of a Car Traveling Up and Down Hills?
- mossfan563
- · Replies 12 ·
Calculating Water Speed Leaving Hose Nozzle
- FossilFew
- · Replies 10 ·
How to Calculate Height of a Cliff Based on Falling Object Time?
- ldbaseball16
- · Replies 2 ·
Vertical Circular Motion Question - Why does the water stay in the bucket?
- illu45
- · Replies 7 ·
Estimating Earth's Radius: A Beachside Experiment
- omegabustr
- · Replies 1 ·
Chimney climber, Newton's lawquestion
- hemetite
- · Replies 6 ·
Ideal Gas Law (Thermal Physics)
- blackz
- · Replies 1 ·
How Do You Calculate Tension in Two Ropes Holding a Suspended Object?
- k1point618
- · Replies 11 ·
How To Find Work If I have Pressure and Volume
- EngNoob
- · Replies 2 ·
Dynamics of Acceleration: Finding Proportions of Masses in a System
- sedaw
- · Replies 3 ·
Solving Kinematics Problem: Integrate for x,v,a @ t=3s
- naggy
- · Replies 2 ·
Uniform cylinder rolling up a step without slipping
- iopmar06
- · Replies 9 ·
Calculating Min Stopping Distance for Car Traveling at 60 m/s
- Phoenixtears
- · Replies 7 ·
Maximum volume of sand cone with friction on circular base
- Solaxys
- · Replies 2 ·
Kinematics of moving car and falling rain
- devanlevin
- · Replies 3 ·
Calculating the Height of a Flea's Jump Using Basic Physics Principles
- Bubofthedead
- · Replies 3 ·
Second year electromagnetism assignment questions
- midas_touch
- · Replies 1 ·
What is the resulting acceleration of object B placed on object A?
- sedaw
- · Replies 5 ·
Couple Kinematics/Vectors Questions
- ff4930
- · Replies 7 ·
Why Refractive Index Varies with Wavelength of Light
- nova-ex
- · Replies 2 ·
Electrostatics - Charged ball tied to a ceiling
- devanlevin
- · Replies 3 ·
Why Does Negative Initial Velocity Differ from the Textbook's Positive Value?
- Bubofthedead
- · Replies 11 ·
Units and slopes on displacement, velocity, and acceleration graphs
- shemer77
- · Replies 4 ·
How Do You Calculate the Width of a Gap Affecting Radio Reception?
- kittycat
- · Replies 3 ·