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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Solve 2-D Motion Practice Homework: Truck & Watermelons
- blackrose75
- · Replies 1 ·
Pseudo elevator question-not enough info I think
- mastiffcacher
- · Replies 10 ·
How Are Nodes and Antinodes Located in Standing Waves Between Two Speakers?
- Gear300
- · Replies 7 ·
The Force Exerted by the Ground on a Parachuter
- proace360
- · Replies 1 ·
Help please Tricky-Finding the angle reqd. to hit a target
- kwightman
- · Replies 4 ·
Motion with Incline: Masses, Acceleration, Tension & Friction | Incline Homework
- jwxie
- · Replies 1 ·
Question on Newton's Second Law of Motion
- Nivlac2425
- · Replies 1 ·
How can i tell if an expression represents a traveling wave?
- sigmint
- · Replies 1 ·
Finding coefficient of friction
- CaptainSFS
- · Replies 4 ·
Need help figuring our periods of planets
- Talontuner
- · Replies 2 ·
Calculating Relative Motion Using Time and Distance Equations
- uberbandgeek6
- · Replies 4 ·
Proving Gravity on Earth: A Creative Lab Design
- zesoccerfreak
- · Replies 2 ·
How Deep Does the Penny Appear in a Layered Liquid Tank?
- Laxman2974
- · Replies 1 ·
Really fast bicyclist in the park
- Spartan029
- · Replies 7 ·
Physics Kinematics in One Dimension
- aeubz
- · Replies 1 ·
Grade 12 Physics - Motion/acceleration.
- christinecrun
- · Replies 1 ·
Calculating Speed of Ultrasound in Soft Tissue
- Eddzzz
- · Replies 1 ·
Strong nuclear force - change with distance
- catkin
- · Replies 9 ·
Vector Kinematics: Vertical Acceleration of a Skier on a 30.0 Degree Hill
- homeworkboy
- · Replies 8 ·
Electric field / charged plates question.
- frasifrasi
- · Replies 3 ·
How Can I Apply Newton's Second Law with Friction in Real-Life Problems?
- gotmilk954
- · Replies 1 ·
Solve Trajectory Problem: Plane Height & Decoy Flight Time
- uberbandgeek6
- · Replies 1 ·
Finding mass with forcce and speed
- Obsydian
- · Replies 2 ·
Electric potential PRoblem , dont understand
- th3plan
- · Replies 3 ·
Calculate Total Force on a Moving Car | Simple Force Question Homework
- Husker70
- · Replies 1 ·
Problem Set #1: Harmonic Motion and Sound Waves
- Shackleford
- · Replies 5 ·
Final Speed of Trolley After Child Jumps Out
- ritwik06
- · Replies 5 ·
Kinematics of attacking seagulls
- singinggirl
- · Replies 1 ·
Fluence of Neutrons from Isotropic Pt Source for Train Passengers
- Aksman
- · Replies 22 ·
Normal force on horizontal plane
- Niles
- · Replies 2 ·
What factors determine the relative acceleration between two thrown bodies?
- karthik_kkrkk
- · Replies 1 ·
What Would a 900N Man Weigh on Jupiter?
- Husker70
- · Replies 1 ·
Find Ratio of vb/vc for Person Homework Statement
- lpcampbe
- · Replies 2 ·
Understanding Periodic Motion Square Graphs
- kscribble
- · Replies 2 ·
Air Resistance of bicyclist problem
- lpcampbe
- · Replies 12 ·
Is the Magnitude of Proton's Acceleration Constant?
- subwaybusker
- · Replies 2 ·
How Does Rolling Friction Influence Wheel Movement on Ramps and Flat Surfaces?
- ctpengage
- · Replies 1 ·
Projectile Motion Problems with Vectors and Angles
- yojayydee
- · Replies 19 ·
H2O (the tv show), boiling water
- Banaticus
- · Replies 1 ·
Power Question: Power Calculation for Particle Moving in Circular Path
- prateek_34gem
- · Replies 8 ·
A projectile problem (Olympiad)
- Michael Si
- · Replies 3 ·
Help with an angled atwood machine problem
- student_fun
- · Replies 1 ·
Simple Kinematics Homework: Find Time & Speed
- calvert11
- · Replies 8 ·
How to Calculate Horizontal Projection Distance with a Fixed Angle and Velocity?
- tater08
- · Replies 3 ·
Mystery of Magnetic Flux: Example 6.2 Revealed
- gsan
- · Replies 4 ·
Calculating Maximum Speed and Acceleration for an Amusement Park Ride
- veronicak5678
- · Replies 8 ·
Function of Time Homework: Solve for A, B, and C
- veronicak5678
- · Replies 12 ·
What Metal Is the Wire Made Of Based on Its Resistivity?
- goWlfpack
- · Replies 4 ·
How long does it take an electron to travel 150 km on a copper cable?
- goWlfpack
- · Replies 4 ·
Which of these are vector and which are scalar?
- singey
- · Replies 2 ·
Finding the distance using vectors
- physics19
- · Replies 10 ·
Calculate Power & Fraction Lost in High-Voltage Transmission Line
- goWlfpack
- · Replies 3 ·
Calculating Average Velocity of a Meteor using Radar Coordinates
- tater08
- · Replies 2 ·
How Many Forces Can You Add to Keep an Object in Equilibrium?
- nuclearrape66
- · Replies 4 ·
What is the speed of the waves on the lake?
- Foxhound101
- · Replies 2 ·
Ratio of Tensions: Solving for T1/T2 with Connected Blocks and Constant Tension
- gmunoz18
- · Replies 2 ·
Electric Potential Energy question
- th3plan
- · Replies 4 ·
Disp. with Constant Accel. Formula Help
- shyboyswin
- · Replies 1 ·
Finding Maximum Angular Frequency and Tension on a Turntable
- Lanc1988
- · Replies 9 ·
Solving a Ball Thrown from a Cliff: Angle and Distance
- yojayydee
- · Replies 1 ·
Vectors, superposition and interference of waves
- Gear300
- · Replies 3 ·
Change in Momentum of a Biker: Homework Solution
- temaire
- · Replies 9 ·
Calculating Potential from electric field problem
- th3plan
- · Replies 1 ·
Very simple Vector Problem - confused by 3 vectors
- 07triumphd675
- · Replies 2 ·
How Is the Angle Calculated Between Displacement Vectors in Navigation?
- physics19
- · Replies 1 ·
Horizontal acceleration of a plane with constant vertical velocity
- WHarmon
- · Replies 9 ·
What is the speed of the block after a bullet embeds itself in it?
- fk378
- · Replies 1 ·
What is the Required Centripetal Acceleration for a Stone to Reach 25 Meters?
- gonzalo12345
- · Replies 1 ·
How Does Newton's Laws Apply to a Jet Stopping with a Parachute?
- ghostrider989
- · Replies 7 ·
Solving 2 Simple Force Problems: Understanding Force Magnitude and Application
- musicfairy
- · Replies 2 ·
Block and Spring Problem: Solving for Compression and Height
- Iamaskier721
- · Replies 2 ·
What Factors Affect the Tension on Cord C Before a Mass Hits the Ground?
- bhannubhakta
- · Replies 1 ·
Fundamental Frequency of an organ
- Foxhound101
- · Replies 7 ·
Vector angle in a standard x-y coordinate system?
- robvba
- · Replies 7 ·
How to find Pressure and Root Mean Square Velocity
- Newtime
- · Replies 14 ·
Projection angle using max. height w/ proportions only
- amphiprion86
- · Replies 2 ·
Damn units and surface charge density.
- frasifrasi
- · Replies 3 ·
Vector Question (Velocity & Acceleration)
- specwarop
- · Replies 2 ·
Proving 45 degrees is optimal value for greatest horizontal range
- fengwater
- · Replies 2 ·
What Angle Should a Cannon Be Fired to Hit a Target 2000m Away and 800m High?
- specwarop
- · Replies 2 ·
Assistance needed with vector velocity problem, please
- SelHype
- · Replies 2 ·
How Do You Calculate with Uncertainties in Lab Work?
- omarsalem91
- · Replies 1 ·
Calculating Work: Uniform Chain on Table with Hanging Part - IIT 1985
- prateek_34gem
- · Replies 2 ·
Work Required to Pull Chain onto Table (I.I.T 1985)
- prateek_34gem
- · Replies 2 ·
Refraction by a transparent spherical surface
- bcjochim07
- · Replies 1 ·
Cart down a ramp, acceleration of 0.6m/s^2
- jnimagine
- · Replies 10 ·
Pendulum clock's period changes as temperature varies
- iTank
- · Replies 2 ·
Electric Potential Proton Problem
- milkyway200
- · Replies 1 ·
Calculating Angular Speed of Venus
- Cate
- · Replies 8 ·
What Factors Influence the Equation for a Bouncing Ball's Range?
- keishuu
- · Replies 3 ·
Projectile Puzzle: Which Ball Stays in the Air Longer?
- robvba
- · Replies 4 ·
Finding velocity of a particle
- science_rules
- · Replies 15 ·
How Do You Calculate the Time for an Arrow to Return to the Same Height?
- krausr79
- · Replies 1 ·
Determine the work done by the gas
- yossup
- · Replies 7 ·
Tracing a Seat's Position on a Ferris Wheel
- Cate
- · Replies 1 ·
Relative Velocity and Projectile Motion
- Kandycat
- · Replies 4 ·
Solving Jet Plane Velocity and Acceleration using Physics Formulas
- jmd0221
- · Replies 2 ·
Calculate Takeoff Speed and Jump Length Increase for Long Jump
- txbigrich
- · Replies 5 ·
Uniform circular acceleration and direction
- anubis01
- · Replies 4 ·
Cat & Fishbowl Refraction Problem
- bcjochim07
- · Replies 1 ·