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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How far does the student run before catching the bus?
- sdoi
- · Replies 10 ·
How Does a Rope with Mass Affect the Forces on a Block?
- JamesGold
- · Replies 2 ·
Grade 11 Physics: WAVES. Finding Wavelength & Frequency
- asweetland
- · Replies 1 ·
Relative motion problem (with picture)
- unknownman
- · Replies 1 ·
How Is Energy Dissipated When Braking a Car?
- physkid1
- · Replies 9 ·
Vector addition and Relative motion
- nadong2dong
- · Replies 16 ·
Deriving power from the relativistic energy equation
- Xamien
- · Replies 2 ·
Pulley and Mass question, helpl
- Oatmeal11
- · Replies 10 ·
Finding initial velocity of a free-falling object that launched off a cliff
- kmb11132
- · Replies 9 ·
A coyote chases a rabbit basic vector problem
- kirby27
- · Replies 3 ·
Significant Figures addition & conversion
- physicsteach
- · Replies 3 ·
What is the Force Exerted by a Spring in a Moving Elevator?
- mrshappy0
- · Replies 5 ·
What equation could I use for this?
- AVReidy
- · Replies 1 ·
Trip to the Moon: How to Reach with Speed
- aszymans
- · Replies 6 ·
Force Vectors: Find Horizontal Acceleration & Direction for 5.00-kg Block
- MakeItThrough
- · Replies 4 ·
Torque on a current carrying wire
- dimpledur
- · Replies 1 ·
How Far Will a Bundle Slide Up an Incline with Friction?
- h7u9i
- · Replies 3 ·
Potato Launcher with Constant Velocity
- apierron
- · Replies 6 ·
Why is there a spectrum on the back of a CD or DVD?
- logearav
- · Replies 2 ·
Battery - diagrammatic representation
- logearav
- · Replies 2 ·
Electron as a wave - some doubts
- logearav
- · Replies 2 ·
Horizontal and vertical oscillations of a loaded spring
- logearav
- · Replies 8 ·
Canal rays experimental set up - a doubt in this
- logearav
- · Replies 2 ·
How far does the car travel? Uniform acceleration.
- AVReidy
- · Replies 5 ·
Centripetal Acceleration with infinite Radius?
- litzkrieg
- · Replies 1 ·
Combining Vectors: Calculate Resultant | Matthew vonFat
- MattVonFat
- · Replies 2 ·
Car Speed for 1kW Home Power Usage
- Physics211
- · Replies 3 ·
I deriving equtions for projectile motion.
- BarneyStinson
- · Replies 2 ·
Solving Tension Force Question: Free Body Diagram for Tension 5
- GreenPrint
- · Replies 8 ·
How to solve for average velocity on a distance time graph?
- justinh8
- · Replies 1 ·
How Strong Does a Fishing Line Need to Be to Stop a Drifting Salmon?
- Kawasaki268F
- · Replies 1 ·
Vector Displacement: Tip of Minute Hand 8:00-8:20 & 8:00-9:00
- tgras141
- · Replies 2 ·
Lenz' Law, induced current in a ring falling
- Cade
- · Replies 6 ·
Tension in rope pulling up a bucket. Thanks
- nukeman
- · Replies 11 ·
How Do Newton's Laws Apply to Sliding Blocks with Different Masses and Friction?
- jehan4141
- · Replies 4 ·
Blocks connected by rope on slope
- superdave
- · Replies 4 ·
What is the max E that teh electron can obtain?
- thatoneguy123
- · Replies 2 ·
What Is the Maximum Angle Before Crutches Slip on the Floor?
- jehan4141
- · Replies 2 ·
Solving Physics Vectors: Car Velocity and Ball Velocity Relative to Kids/Road
- jbjohnybaker
- · Replies 1 ·
How Do You Calculate the Minimum Radius of Curvature for a Banked Roadway?
- DrunkApple
- · Replies 21 ·
How to find energy stored in a wire
- pvpkillerx
- · Replies 1 ·
How Does an Electric Force Alter the Energy of a Boron Nucleus?
- veryyc
- · Replies 1 ·
Determine if radio waves are constructive or destructive
- PCSL
- · Replies 5 ·
Projectile motion question-nothing special.
- Crusaderking1
- · Replies 6 ·
A batter hits a baseball motion and velocity problem
- kirby27
- · Replies 2 ·
Calculating Friction Force on Blocks A and B
- apprentice213
- · Replies 23 ·
Kinetic energy problem (masteringphysics)
- kottur
- · Replies 4 ·
Resistance Circuit Homework: Solving for Total Resistance
- alfredo24pr
- · Replies 4 ·
Probabilities and binomial theorem
- SoggyBottoms
- · Replies 1 ·
Calculating Initial Velocity for Symmetric Projectile Motion
- doc2142
- · Replies 5 ·
Vector Components for Destination Distance
- Ellipses
- · Replies 5 ·
Absolute Uncertainty - Enough Information?
- aborder
- · Replies 14 ·
Source, path, reflection differences (definitions)
- PCSL
- · Replies 1 ·
AP Physics B: Centripetal Force and Gravity
- stonecoldgen
- · Replies 1 ·
Integration limits for Gaussian surface
- auk411
- · Replies 1 ·
Will a metal rod keep moving if given a slight nudge in a magnetic field?
- serverxeon
- · Replies 5 ·
This juggler problem drining me crazy
- Alpharup
- · Replies 3 ·
Coefficient of friction for a car sliding down an icy hill
- Capncanada
- · Replies 4 ·
Discovering mass of a star and orbital period of one of two planets
- TmrK
- · Replies 4 ·
Smallest perpendicular velocity to orbit
- unscientific
- · Replies 6 ·
Struggling with Torque Problems in Static Equilibrium?
- stonecoldgen
- · Replies 4 ·
Time it takes for stacked boxes to cover distance
- Jonathan1515
- · Replies 8 ·
Net Flux through a cube with a varying electric field only along the Y-axis.
- BeRiemann
- · Replies 6 ·
Very quick Velocity/acceleration conceptual question
- inkandgold
- · Replies 1 ·
Webpage title: Relative Motion Problem: Plane and Helicopter Velocity
- -Dragoon-
- · Replies 2 ·
Calculating Total Distance Traveled with Constant Acceleration
- Joe26
- · Replies 2 ·
Spring in a motionless elevator
- mrshappy0
- · Replies 2 ·
Tension of a rope between two trees
- Elphaba123
- · Replies 5 ·
How High is the Cliff If a Ball Takes 3.2 Seconds to Hit the Water?
- SpecialKM
- · Replies 10 ·
Displacement, Velocity, and Acceleration
- ajab
- · Replies 2 ·
How long does it take the particle to hit the y-axis?
- red_viper_88
- · Replies 6 ·
Finding Magnitude and Angle of Vectors A & B
- magellaniic
- · Replies 2 ·
How do I convert gauss to Newtons per meter for magnetic calculations?
- eddybob123
- · Replies 4 ·
Finding the instantaneous velocity on a position time graph
- slag1928
- · Replies 2 ·
Solving Newton's Problem: 2 Masses Stacked on Each Other
- Myronnie
- · Replies 5 ·
Railway truck impulse physics homework
- nokia8650
- · Replies 10 ·
Mechanics - two boxes down a hill
- Hioj
- · Replies 2 ·
Projectile Motion given a vertical distance and angle at that point
- whoareyou
- · Replies 4 ·
Maximum force on stacked boxes, when we don't want the boxes to slip.
- tomas123
- · Replies 5 ·
Formula deduction V2 = V02 + 2g(y - y0)
- iZnoGouD
- · Replies 1 ·
Finding Work given mass and distance
- MisterFusion
- · Replies 3 ·
Touching Conducting Spheres of Different Size
- royblaze
- · Replies 9 ·
How Many Steel Strands Are Needed to Safely Lower a Lift into a Mine?
- pvpkillerx
- · Replies 1 ·
Acceleration on incline (w. Friction)
- TomFoolery
- · Replies 4 ·
Galileo's Inclined Plane: Maximum Acceleration of a Rolling Ball
- Thrasher1867
- · Replies 5 ·
What is the Centrifugal Force in a Circular Roadway?
- JayHakimi1
- · Replies 1 ·
Pulleys and weights - finding acceleration and tension
- iamjohnny56
- · Replies 5 ·
What average force is exerted on the ball during the contact time?
- tokidoki
- · Replies 1 ·
Estimate the energy stored in a match
- paco_uk
- · Replies 2 ·
Resultant Force Components and Magnitude Calculation
- Arlene87
- · Replies 1 ·
Free falling object with gravity
- theunloved
- · Replies 12 ·
Uncertainty with a simple pendulum
- aborder
- · Replies 4 ·
Calculating Friction Forces in a System of Blocks Connected by Cords
- apprentice213
- · Replies 4 ·
Conceptual elevator and atwood pulley problem
- runphysicsrun
- · Replies 4 ·
Angle Between Vectors given Ratio of Resultants, why is this wrong?
- Ordain
- · Replies 3 ·
Calculating uncertainty using the least squares method.
- rushton
- · Replies 4 ·
Dividing a number w/uncert by a number w/o uncert
- 5.98e24
- · Replies 2 ·
Flywheel moment of inertia(torque)
- Latios1314
- · Replies 3 ·
Experiment, magnetic forces between current-carrying wires
- Cade
- · Replies 5 ·
Estimate induced emf in the coil
- Cade
- · Replies 6 ·