Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Calculating Geosynchronous Orbit for a Satellite Around Jupiter's Moon
- gonzalo12345
- · Replies 1 ·
Motion on Inclined Plain with Pulley
- magixx
- · Replies 1 ·
What is the Correct Calculation for the Second Force in Vector Notation?
- ganondorf29
- · Replies 2 ·
Newtowns 1st and 2nd laws question.
- jovankamcev24
- · Replies 1 ·
Finding speed after 10 seconds with force and acceleration
- Husker70
- · Replies 4 ·
Finding initial velocity components for a quarterback pass
- jnimagine
- · Replies 12 ·
Uniform Motion on a Circular Path
- Phan
- · Replies 16 ·
Watermelon projectile motion on parabolic bank
- 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 ·
Finding launch angle to hit target 980m away with 490m/s bullet
- kwightman
- · Replies 4 ·
Two masses connected by string on 40° incline with friction
- 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 ·
Finding planet period using Kepler's third law with 3 AU orbit and 3 solar masses
- 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 ·
Vertical acceleration of a skier on a 30 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 ·
Total force on a car moving at constant speed
- Husker70
- · Replies 1 ·
Tuning fork resonance tube frequency at 26°C
- 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 ·
Ratio of recoil speeds for bullet vs blank cartridge
- 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 for a particle in circular motion with time-dependent centripetal acceleration
- prateek_34gem
- · Replies 8 ·
A projectile problem (Olympiad)
- Michael Si
- · Replies 3 ·
Atwood machine with angled incline
- 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 ·
Why does flux appear increasing if derivative of magnetic flux is negative?
- gsan
- · Replies 4 ·
Calculating Maximum Speed and Acceleration for an Amusement Park Ride
- veronicak5678
- · Replies 8 ·
Finding constants A, B, C in a bird's velocity vector function
- 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 ·
Power loss in 162 km transmission line at 740 kV
- 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 ·
Work and electric potential energy between charged particles
- th3plan
- · Replies 4 ·
Can a jet plane stop on an 800-meter runway?
- 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 for a biker hitting a bump
- temaire
- · Replies 9 ·
Calculating Potential from electric field problem
- th3plan
- · Replies 1 ·
Finding resultant displacement with three vector legs
- 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 ·
Velocity vector with constant acceleration and initial velocity
- 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 ·
Finding average acceleration of asteroid after rocket burn
- 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 ·