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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Finding velocity from a position-time graph at t = 5 s
- Allura
- · Replies 6 ·
Free Fall: Time & Velocity for Red Ball
- iam911
- · Replies 1 ·
Center of Gravity: Locate on Uniform Board 20cmx10cm
- holy_kamote
- · Replies 3 ·
Word problem for a bus travel and a boat accelerating
- jubbly
- · Replies 5 ·
Help with uncertainty percentage
- GreenMan39
- · Replies 1 ·
Ball thrown upward from rising balloon hits ground after 34.5s
- jmatta
- · Replies 3 ·
Angle of Vector A: 56.4 Degrees
- jpd5184
- · Replies 12 ·
Gravitational potential energy = kinetic energy question
- vf_one
- · Replies 4 ·
Head-to-tail vector addition and subtraction with protractor and ruler
- mz2011grad
- · Replies 3 ·
Particle with acceleration a = -0.05v² at different distances
- lonsalot
- · Replies 6 ·
Why does vector subtraction look like addition?
- Cudi1
- · Replies 3 ·
Golf putt displacement and hurricane vector problem
- toyotadude
- · Replies 6 ·
Rotational dynamics of a block in a cone
- Tomforideer
- · Replies 2 ·
Solving for tensions AB and BC using substitution method
- mstehman
- · Replies 4 ·
Learn How to Integrate 2\pixe^{-4x} with Step-by-Step Guide | Homework Statement
- alicia.kostka
- · Replies 1 ·
Understanding Heat Capacity of Different States: Water, Ice, and Steam
- Kyoma
- · Replies 3 ·
How much does it cost to run a 371W device for 129 days at 0.13% efficiency?
- sooperdrave
- · Replies 12 ·
Finding the Components of a Vector in the Third Quadrant
- jpd5184
- · Replies 9 ·
What is the Resultant Force of Tensions in Two Fishing Lines?
- dan2xtermart
- · Replies 1 ·
How Do You Solve the Integral of (1-e^-x)^(1/2)?
- osy044
- · Replies 3 ·
How to Calculate When a Bowling Ball Will Begin to Roll Without Sliding
- w3390
- · Replies 32 ·
What is wrong with this equation ?
- ManishR
- · Replies 1 ·
How much visible light is emitted by a 100 W tungsten light bulb?
- fluidistic
- · Replies 4 ·
Why would voltage stay the same when a dielectric is introduced?
- okgo
- · Replies 2 ·
Late night sanity check (Average Acceleration)
- DrummingAtom
- · Replies 1 ·
Real life problem - pushing object up incline plane
- jacy_m
- · Replies 6 ·
What is the Force Due to Extension for a Particle on an Elastic String?
- osy044
- · Replies 2 ·
Air Speed in Headwinds & Tailwinds: Calculating the Difference
- MikeX47
- · Replies 1 ·
Pulley Connecting Mass 1 to Hanging Mass 2
- maximoanimo
- · Replies 2 ·
Can You Graph Stop and Go Traffic in Rush Hour?
- swatmedic05
- · Replies 1 ·
How Far Will a Cart Travel Up a Ramp at Different Angles?
- Tonik
- · Replies 3 ·
Calculate Percentage Error: Ball Down the Ramp Lab
- jubbly
- · Replies 1 ·
How Can I Calculate the Volume of a Celestial Body with a Given Diameter?
- pwats17
- · Replies 1 ·
Finding Initial Speed of an Object
- swatmedic05
- · Replies 1 ·
What is the power of a car traveling at 30. m/s with a force of 1000. N?
- Loppyfoot
- · Replies 1 ·
Block on inclined plane problem
- Cyoder
- · Replies 2 ·
What is the Maximum Speed and Travel Time for a Subway Train?
- Kside
- · Replies 1 ·
A circuit of four elements. Which are in series and which are in parallel?
- siylence
- · Replies 2 ·
Projectile A - > B , two different angles
- lax1113
- · Replies 1 ·
What Shape is the Distance vs. Time Graph for a Falling Ball?
- J.live
- · Replies 1 ·
Straight Line on Distance vs Time^2 Graphs
- J.live
- · Replies 2 ·
What is the acceleration of the block up the ramp?
- PTPM93
- · Replies 5 ·
Prove distance from origin is invariant under coordinate rotation
- uchicago2012
- · Replies 3 ·
Understanding Projectile Motion: Calculating Time and Velocity
- jsmith613
- · Replies 1 ·
What is the terminal speed and acceleration of spheres falling through liquid?
- furor celtica
- · Replies 8 ·
Consider the arrangement of two fixed point charges, equal in magnitude
- Physics1988
- · Replies 3 ·
How Do You Calculate the Acceleration of an Electron in Motion?
- delfam
- · Replies 5 ·
Quick Reference Frames Problem. Soon
- jollyrancher9
- · Replies 1 ·
Two Impulse & Impact Problems Need Help
- yek_zzz
- · Replies 1 ·
How do you find the formula for momentum in physics class?
- mopar969
- · Replies 4 ·
What Is the Average Force Exerted by the Wall on the Tennis Ball During Contact?
- Null_
- · Replies 1 ·
Not sure on topic - relativity if I had to guess
- pat666
- · Replies 13 ·
RLC Resonance: Understanding VL and VC Magnitudes
- Terocamo
- · Replies 2 ·
Modeling a Triangular Wave Pulse on a Taut String
- Quincy
- · Replies 6 ·
How can I show that R and RL are equal in this Y/Delta circuit problem?
- gomezfx
- · Replies 4 ·
Solving a Multifluid Manometer Problem to Find P1
- fishingspree2
- · Replies 3 ·
Solved: Kinematics Problem: Boy Scout & Food Pack Speed
- Manthegun
- · Replies 5 ·
Finding acceleration given distance?
- talklikearobo
- · Replies 12 ·
E_o=\frac{1}{2}mv_1^2Solve Elastic Collision: $\frac{\triangle E}{E_o}$
- thereddevils
- · Replies 2 ·
How do you solve for the mass of a hanging object with two given forces?
- Whotto
- · Replies 6 ·
Question about the electric field created by two charges?
- ninjarawr
- · Replies 1 ·
Two cars passing each other (constant velocity)
- praecox
- · Replies 3 ·
How Are Reaction Forces Directed at Points A and D in a Supported Beam?
- ana111790
- · Replies 1 ·
Maximizing range of projectile from some curve
- TedGramm
- · Replies 1 ·
Help with free falling, find h with ball displacing .47h in 1 second before fall
- mathphysicnb
- · Replies 1 ·
Gauss's Law for Electric Field Components in a Charged Sphere
- mattmannmf
- · Replies 1 ·
Finding contact forces between three blocks on a frictionless table
- mohabitar
- · Replies 5 ·
Intermediate dynamics problems
- jazzyfizzle
- · Replies 15 ·
Find the magnitude even though direction is correct?
- rfig08d
- · Replies 1 ·
How Does Charge Distribution Affect Electric Fields and Forces on the X-axis?
- btbam91
- · Replies 1 ·
Solve Complex Sin Contest Question from 2003 | Exam Review Help
- silas sham
- · Replies 1 ·
Finding the change in length of humerous
- vf_one
- · Replies 2 ·
Energy of a Dipole in a Uniform E Field
- dunna
- · Replies 3 ·
Positrons magnitue and direction with velocities
- mudrashka
- · Replies 1 ·
Calculating Time & Wavelength of 1000Hz Noise
- donkeycopter
- · Replies 3 ·
Solving Car-Truck Overtaking Problem
- seraphimhouse
- · Replies 2 ·
How can calculus be used to solve a snail kinematics problem?
- brushman
- · Replies 2 ·
Cylinder on accelerating surface with no slipping
- zorro
- · Replies 12 ·
How do you find the degree of displacement?
- hypoovenmitts
- · Replies 1 ·
Use Coulomb's Law to calculate the number of excess electrons
- dwach
- · Replies 3 ·
Determining the orbital radius of extrasolar planets
- aggieg
- · Replies 3 ·
Calculate thickness of organic layer on wire
- Billybong
- · Replies 3 ·
Tips for Writing a College Lab Report: Expert Advice and Student Insights
- Char. Limit
- · Replies 1 ·
Simple Parallel Circuit Problem
- gomezfx
- · Replies 5 ·
What Are the Unknowns in This Free Fall Ball Problem?
- uchicago2012
- · Replies 3 ·
Charged particle between two conducting plates
- yoghurt54
- · Replies 22 ·
Understand concepts of electricity and magnetism
- aMajor
- · Replies 1 ·
Calculating and Plotting ln World Population: 1900-1980
- mualbuq
- · Replies 1 ·
Why did Author Use Cosine/Sine for Periodic Sound Waves?
- jwxie
- · Replies 1 ·
Airplane speed relative to ground with wind velocity
- mohabitar
- · Replies 2 ·
Finding Distance: Penny in a Wishing Well
- mogibb1
- · Replies 10 ·
Finding the radius based on time and velocit
- ogehsim
- · Replies 4 ·
Round Table Supported by 3 Legs
- Ckrueger11
- · Replies 3 ·
Kinematics problem(already have the answer, but i need an someone to explain it to me
- ihatecats2014
- · Replies 1 ·
Two space craft are flying towards a planet
- pat666
- · Replies 4 ·
Space shuttle average speed and velocity in circular orbit
- mandi182
- · Replies 10 ·
RLC circuit - total impedance,phasor analysis etc
- pat666
- · Replies 4 ·
Calculate energy and momentum of a hydrogen atom in a photon emission transition
- rayman123
- · Replies 4 ·
Express Max height in terms of g and T? ?
- scke0803
- · Replies 3 ·
Debunking the Myth: The Truth About Earth's Orbital Motion
- redneckman454
- · Replies 1 ·