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 displacement from 175 km west plus 80 km southwest
- wadesweatt
- · Replies 10 ·
Calculating Average Velocity from Position vs Time Graph
- chanv1
- · Replies 9 ·
What Does a Voltmeter Read When Connected Directly to a Battery?
- vlanger
- · Replies 1 ·
Force problem with non-massless rope
- azure kitsune
- · Replies 3 ·
Calculating the Force of a Wall on a Wedge
- darealprince
- · Replies 5 ·
Spring compressed by 1864 g mass on surface with friction
- bkhofmann
- · Replies 2 ·
Pulling block up incline with winch.
- bkhofmann
- · Replies 4 ·
PLEASE HELP How long will it take until the car's speed drops to 12.0 m/s?
- DrSmiles
- · Replies 1 ·
Why Is My Calculation on Rocket's Projectile Motion Incorrect?
- biglank3
- · Replies 1 ·
What Initial Speed Is Required for a Volleyball to Just Clear the Net?
- trumnation
- · Replies 5 ·
What Is the Path Length Difference for Light in a Double Slit Experiment?
- Foxhound101
- · Replies 1 ·
Spring and falling body problem
- professor
- · Replies 1 ·
Obtain y=mx+b equation for Atwood's Pulley lab.
- Vasili
- · Replies 5 ·
Normal and friction forces on a car on a slope
- vdfortd
- · Replies 4 ·
Distance Lifted by Car Suspensions in Earthquake
- lany
- · Replies 1 ·
How Does Charge Distribution Affect Electric Field Intensity at the Origin?
- SilverGirl
- · Replies 14 ·
Power up and incline with friction
- Kajayacht
- · Replies 5 ·
Newton's Laws, blocks of mass and string
- crhscoog
- · Replies 3 ·
Calculate Direction to Intercept Object in Vector Mechanics
- research1
- · Replies 2 ·
For what finite value of x is the electric field zero?
- Calcguy
- · Replies 1 ·
What is the Inclined Spring Problem?
- fluidistic
- · Replies 2 ·
What is the minimum velocity needed to maintain circular motion at point A?
- fluidistic
- · Replies 2 ·
Find the resultant in unit-vector notation
- chanv1
- · Replies 3 ·
How Do You Calculate the Resultant Vector and Its Angle?
- kaylanp01
- · Replies 6 ·
Angular Speed of Clock Minute Hand: Rad/s
- mastiffcacher
- · Replies 2 ·
Does a dropped water balloon hit a walking professor?
- Mitchtwitchita
- · Replies 2 ·
When do I feel lighter in an elevator going up or down?
- aleferesco
- · Replies 6 ·
How Does the Angle Affect Cable Tension in a Tow Truck Scenario?
- hofluff87
- · Replies 2 ·
How Does Tension Vary Along a Rope in Motion?
- lmlgrey
- · Replies 6 ·
What Is the Fundamental Frequency of a Wire Under Modified Conditions?
- hemetite
- · Replies 3 ·
Tension Force problem involving friction
- chimbooze
- · Replies 5 ·
Water speed and range from spouts at different heights using Bernoulli's equation
- azure2s
- · Replies 3 ·
Calculating Closest Approach Distance for Two Moving Protons
- kdrobey
- · Replies 16 ·
Tangential and radial train acceleration
- -EquinoX-
- · Replies 12 ·
How Do I Solve These Gravity-Related Physics Problems?
- jbgibson
- · Replies 4 ·
Calculating Distance and Size of Image on Blackboard Reading
- thompson.1674
- · Replies 2 ·
Rock accelerating on ice, then sliding to a stop
- Rade1990
- · Replies 8 ·
Determining Wind Velocity From Light Plane Flight
- mikenash
- · Replies 1 ·
Tangential acceleration for coin on rotating record
- eyvhgi557r
- · Replies 3 ·
Calculating Original Mass of Ice at 0 Degrees C
- sanphy
- · Replies 5 ·
What is the Critical Value of Friction for a System of Blocks to Move Together?
- rwx1606
- · Replies 4 ·
Magnetic Force on a Moving Charge
- GodxIsInTheTV
- · Replies 1 ·
Finding potential difference inside uniformly charged infinite rod
- germx3
- · Replies 2 ·
Having a hard time solving last part
- mikenash
- · Replies 1 ·
Tension/ Force problem; How should I look at this?
- kleencut
- · Replies 4 ·
Solving for Velocity of Spring-Supported Mass
- CaptainSFS
- · Replies 4 ·
Cyclist displacement, velocity and acceleration over 31 seconds
- mikenash
- · Replies 1 ·
Solving for the Changing Magnetic Field in a Conducting Loop
- Lance WIlliam
- · Replies 4 ·
Launching Blocks up Ramps- Velocity and Height
- Phoenixtears
- · Replies 2 ·
Calculating conductivity of the cell interior and the blood
- Kathi201
- · Replies 1 ·
A particle's position relative to time
- candycooke
- · Replies 1 ·
Why Are My Electric Field Components Incorrect?
- gnarkil
- · Replies 10 ·
How Does Mass Affect Acceleration on a Frictionless Surface?
- a18c18
- · Replies 1 ·
Finding force when velocity depends on position, not time
- AshesToFeonix
- · Replies 3 ·
Projectile Motion Calculation Question
- minifhncc
- · Replies 2 ·
Car stopping distance with constant deceleration
- rmax58
- · Replies 5 ·
How Do You Apply Power Series to Evaluate Functions and Estimate Errors?
- kreil
- · Replies 5 ·
Unit analysis help (possible significant figure error?)
- mbisCool
- · Replies 1 ·
Kinetics Question (Dependant motion, gravity, pulleys)
- dontdisturbmycircles
- · Replies 3 ·
Are these even possible? (Friction Related)
- bassboy
- · Replies 1 ·
Car collision forces, elevator stopping time, and blocks with applied force
- jcumby
- · Replies 1 ·
Carnot engines and refrigerators
- emperrotta
- · Replies 4 ·
Is 1.875×10^8 m/s² the Correct Acceleration for the Electron in the TV Tube?
- kleencut
- · Replies 2 ·
How can I convert from CFM to air speed for wind generation?
- RyanVellia
- · Replies 3 ·
What are the equations and steps to solve these two problems?
- da5id2
- · Replies 2 ·
Force on a current-carrying wire in a magnetic field at 45°
- crh
- · Replies 1 ·
Solving a Quick Force Problem: Finding Acceleration in an Elevator
- joe215
- · Replies 3 ·
Projectile Motion of a Helicopter: Solving for Speed with a Falling Wheel
- Mitchtwitchita
- · Replies 4 ·
2 blocks, frictions, and no numbers
- musicfairy
- · Replies 9 ·
How Far Will M1 Travel in 0.809 Seconds in a Pulley System?
- XxBollWeevilx
- · Replies 6 ·
Finding tension in a pendulum string at the bottom of the swing
- JJones_86
- · Replies 7 ·
Ridiculously simple acceleration and velocity vectors, but I can't get them
- soggybread
- · Replies 1 ·
What is the Period of the Hubble Space Telescope's Orbit?
- JJones_86
- · Replies 16 ·
What are the solutions to these work and energy problems?
- losthelp
- · Replies 1 ·
Now it is a simple matter to find the current in each of the resistors.
- hobo skinoski
- · Replies 3 ·
What is the maximum speed an object can have without breaking a hanging string?
- Husker70
- · Replies 6 ·
Banked Curves angle theta on highway
- pstfleur
- · Replies 8 ·
Find the tension in the hitch when a car is towing a trailer
- lalalah
- · Replies 3 ·
Rate of magnetic field change of a selnoid
- Lance WIlliam
- · Replies 3 ·
Conservation of Mechanical Energy and Centripetal Acceleration Problem
- ctpengage
- · Replies 4 ·
Solving a Physics Problem: Transverse Wave Travel Time
- lmar769
- · Replies 1 ·
Understanding Forces and Velocity for an Object in a Curved Path
- toughguy738
- · Replies 3 ·
Coulomb's Law Problem- Why is this incorrect?
- bcjochim07
- · Replies 7 ·
Why does kinetic friction differ from static friction in equilibrium?
- Physics197
- · Replies 5 ·
Time for piano to roll down a 1.4 m ramp at 20 degrees
- karasis
- · Replies 1 ·
Safe Speed for Icy Curve: 130m Radius, 2.7 Banking
- JJones_86
- · Replies 1 ·
Using a pulley to raise yourself?
- abcdefj
- · Replies 4 ·
Parallel plate capacitor with changing spacing, voltage, and dielectric
- strawberrysk8
- · Replies 3 ·
Solving Circular Motion Help Homework: Find Speeds & Apparent Weight
- Santorican
- · Replies 3 ·
What Do y vs. t and v vs. t Graphs Show for an Object Thrown Upward?
- Mitchtwitchita
- · Replies 3 ·
Physics word problem- velocity, acceleration, time
- meredith
- · Replies 9 ·
Ball thrown at 35° reaches 42 m horizontally; how high vertically
- chanv1
- · Replies 8 ·
Entropy of an adiabatic process
- luna02525
- · Replies 1 ·
Confused - How do I find the static and kinetic friction coefficient?
- Lida
- · Replies 2 ·
Normal Force Ramps: Solving m's Motion Problem
- nothilaryy
- · Replies 2 ·
Magnitude of en electric field and electrostatic field
- katrascythe
- · Replies 9 ·
Will someone check my application of kepler's laws?
- imsoconfused
- · Replies 1 ·
Scientific Notation I feel dumb for even asking
- mcknia07
- · Replies 3 ·
What Is the Person's Resultant Displacement After the Walk?
- chanv1
- · Replies 3 ·
Object Thrown Upward: Max Momentum & Equilibrium
- garva1
- · Replies 25 ·