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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Which Ship Gets Hit First by the Destroyer's Shells?
- maiad
- · Replies 4 ·
Calculate Cliff Height: Free-Fall Problem with Rock Dropped from a Cliff
- iMAGICIALoTV
- · Replies 5 ·
Current Ionic Solution, Charges
- PeachBanana
- · Replies 6 ·
Derive v = 2 l_nf_n for the nth harmonic
- Northbysouth
- · Replies 1 ·
What is the Voltage and Power in a Circuit with Current Sources?
- Mosaness
- · Replies 4 ·
Power Source = I3 x 12 VPower Source = 7.38 W
- Mosaness
- · Replies 2 ·
How to Choose Resistors for Desired Currents in a Circuit
- Mosaness
- · Replies 4 ·
Optimal Slope Angle for Hilltop House Stability
- majormaaz
- · Replies 1 ·
How Do You Solve Basic Kinematics Problems in Physics?
- asheik234
- · Replies 5 ·
Object hung from two ropes - determine weight
- bcalkins
- · Replies 3 ·
Projectile Motion Problem: Finding Minimum Jumping Speed of a Salmon
- narutoish
- · Replies 2 ·
Why are avg. v and instant. v different?
- mzladyx
- · Replies 6 ·
Kinematics problem, don't know how to find unknown variables
- Physicsnoob10
- · Replies 3 ·
Fluids, flow velocity and flow rate.
- Sum'Random
- · Replies 2 ·
Center of mass of fluid in rotating cylinder
- homedoc
- · Replies 1 ·
What Is the Voltage at Vout With Respect to Ground?
- RIPCLB
- · Replies 5 ·
Solve 1D Motion: Find Distance, Time, Velocity
- oreosama
- · Replies 3 ·
Evaluate a Particle's Position at Given Times
- AryRezvani
- · Replies 4 ·
First Law of Thermodynamics (Eint = Q-W) question. I am only stuck on part (d)
- zag4life
- · Replies 3 ·
Can Raj Catch the Accelerating Bus?
- 33639
- · Replies 5 ·
Average acceleration problem having trouble
- robbie8292
- · Replies 1 ·
Calculate Force Applied by Tree to Stop 4.5kg Axe at 25 m/s
- physics604
- · Replies 1 ·
Football Pattern Vectors Question
- vane12
- · Replies 3 ·
Find the rms speed of a dust particle.
- nlingraham
- · Replies 2 ·
Heat lost from face due to black body radiation
- nlingraham
- · Replies 3 ·
Basic Kinematics Questions, first year physics
- asheik234
- · Replies 15 ·
Modern Physics (S. Theory of relativity) problem
- majormuss
- · Replies 1 ·
Find initial temp. of alcohol when copper and aluminum are added
- nlingraham
- · Replies 3 ·
Solving for Tension and Force in a Pulley System
- kxk010
- · Replies 8 ·
Finding the Electric Field Between Charges [picture]
- PeachBanana
- · Replies 3 ·
Explaining the Differences Between Two Graphs for a Roller Coaster Cart's Motion
- Genxi
- · Replies 1 ·
How Is Tension Calculated Using Vector Mathematics?
- ParoXsitiC
- · Replies 5 ·
Moment of inertia of a few basic objects
- Draco27
- · Replies 26 ·
Forces applied to occupants in car crash (important for assignment )
- 187 god
- · Replies 2 ·
Calculating Work Done on a Box Moving Up a Ramp
- moimoi24
- · Replies 17 ·
Solve 3 Mass, 3 Pulley Homework
- jkw
- · Replies 3 ·
Force exerted to a falling object
- Perdition
- · Replies 5 ·
Complex physics kinematics problems help
- 33639
- · Replies 2 ·
Solving Vectors: Tips and Tricks for Effective Problem Solving
- link107
- · Replies 6 ·
How High Was the Object Dropped in This Free Fall Problem?
- piknless
- · Replies 3 ·
I give up Basketball Projectile problem.
- kieth89
- · Replies 4 ·
Chinook Salmon Swimming Pattern
- DatAshe
- · Replies 1 ·
Easy question, cant get the right result but have all fomulars
- mimi.janson
- · Replies 6 ·
Difference between Average Speed & Average Velocity in Velocity-Time graphs?
- rayj098
- · Replies 11 ·
Why Are the Magnitudes of Vector Operations Surprisingly Equal?
- Mosaness
- · Replies 5 ·
Solving Phase Change & Spatial Separation with Wavelength & Velocity
- kgal
- · Replies 1 ·
How Does Object Placement Affect Image Location in Convergent Lenses?
- jaumzaum
- · Replies 1 ·
How Do You Calculate Velocity from a Position Function in Physics?
- vysero
- · Replies 11 ·
Combustion potato gun - Need associated variables, ideas and concepts.
- SydDF
- · Replies 2 ·
Determining wind velocity vector.
- Jonathan Teas
- · Replies 1 ·
Electric Field, Excess Charge Conceptual Question
- PeachBanana
- · Replies 2 ·
Basic special relativity addition of velocities problem
- Aziza
- · Replies 4 ·
In tearing a paper towel or plastic bag
- pbody
- · Replies 3 ·
Finding θ That Balances the Electrical Forces
- Legaldose
- · Replies 7 ·
Transforming kinetic energy into thermal energy
- nlingraham
- · Replies 2 ·
Center of mass of right triangle
- mariexotoni
- · Replies 5 ·
FInd the height where two object pass each other.
- iMAGICIALoTV
- · Replies 4 ·
The work done in accelerating a ball to a certain speed
- Kwcty6888
- · Replies 4 ·
Why aren't the distances of the images the same in this problem?
- jaumzaum
- · Replies 6 ·
Momentum problem involving spring and possible harmonic motion PLEASE HELP
- fmilner
- · Replies 7 ·
How do i find the final velocity with 2 height variables and gravity
- deathslice246
- · Replies 4 ·
Will a Car Speed Up After Releasing the Brakes?
- pbody
- · Replies 1 ·
Calculating friction in Parallel?
- davidc95
- · Replies 1 ·
Resolving vector components using trigonometry
- NewtonIsaac
- · Replies 7 ·
Scientific Notation and Unit Conversions
- AbsoluteZer0
- · Replies 4 ·
Making X the subject. Know nothing
- Dainielw
- · Replies 9 ·
Calculating Velocity and Distance with Simple Projections
- phospho
- · Replies 5 ·
Equation of motion: spring mass system - free undamped vibration
- jason.bourne
- · Replies 7 ·
Questions pertaining to constant velocity + acceleration and relative motion
- Xelb
- · Replies 1 ·
Is Energy Conserved in a Falling Yo-Yo?
- estro
- · Replies 4 ·
Calculating Water Depth Using Sound Waves
- Douna2nd
- · Replies 1 ·
Solving a Complex Math Problem - Need Help!
- Icetray
- · Replies 1 ·
Newton law, An object hanged with a robe that has a weight.
- chawki
- · Replies 6 ·
How Much Is the Friction Acting on a Crate Sliding at Constant Velocity?
- pbody
- · Replies 2 ·
Soccer goal. Need help defining height of ball at a distance.
- lorenzosounds
- · Replies 3 ·
Uniform Electric Field and Finding Electric Potential
- PeachBanana
- · Replies 5 ·
Finding the components of an electric field.
- bfusco
- · Replies 3 ·
Is there a relationship between gear RPM and number of teeth?
- Icetray
- · Replies 12 ·
Electric Field at the Center of a Square with Four Charges
- charmedbeauty
- · Replies 4 ·
Are There Connections Between Number Theory and Physics?
- godel
- · Replies 1 ·
What Is the Shear Modulus of Dry Spaghetti?
- jackscholar
- · Replies 1 ·
Can any one say what is the necessary and sufficient conditions for
- godel
- · Replies 1 ·
Three charges are at the corners of an isosceles triangle
- knv
- · Replies 1 ·
Finding Maximum Height of a Projectile
- AnTiFreeze3
- · Replies 9 ·
Action Potential with Nerve Cell and Finding Power
- PeachBanana
- · Replies 1 ·
Find the Position of an Orbiting Spacecraft
- Bluskyz
- · Replies 7 ·
How do I solve for B in Newton's cooling law using given temperatures?
- polaris90
- · Replies 2 ·
How to Solve a Three-Force Vector Problem Using the Component Method?
- Lifeinsteps
- · Replies 18 ·
Which of the following are scientific hypotheses?
- pbody
- · Replies 4 ·
Why Did Aristarchus Measure the Sun's Distance During a Half Moon?
- pbody
- · Replies 7 ·
Einstein's Change of Mind: How Science Differs from Daily Life
- pbody
- · Replies 4 ·
Very Stuck on Deriving Projectile Motion Formulas
- kieth89
- · Replies 8 ·
Eratosthenes' Measurement of Earth's Circumference
- pbody
- · Replies 10 ·
Solve Mulitfluid Manometer Homework: Find Gage Pressure at Point A
- GZunich
- · Replies 1 ·
Speed of a Proton in An Electric Field
- servb0t
- · Replies 1 ·
Question about angles and triangles I thinkg
- pbody
- · Replies 6 ·
Rounding Sig Figs: 6.941+63.996+35.45 = 106.387
- alicia113
- · Replies 4 ·
Force exerted by a seatbelt, on driver, after collision
- Iciris.0
- · Replies 1 ·