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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Centripetal Acceleration Space Shuttle Problem
- C^2
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Which ball experiences greater impulse: red or blue after rebounding to different heights?
- kallisti
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Calculating the Force Needed to Lift a 700 lb Car with a Hydraulic Jack
- designer rose
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Average force the floor exerted on the ball
- Sinusoidal
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Finding acceleration on a slope
- jchipwpunj
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Calculating Acceleration on a Sloped Surface
- jnalli121
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Calculate Power of 50 kg Boy Running Up 10 m in 7 s
- omgitsmonica
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Can a box accelerate positively going down a frictionless incline?
- hager
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How Is the Net Work Zero with Both Push and Frictional Forces on a Crate?
- keemosabi
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Change in altitude for a car on a 3.1-degree incline over 2.90 km
- ccdalamp
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What Are The Acceleration and Tension in This Block System?
- PhysicslyDSBL
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Lateral Force and Pressure on a dam
- designer rose
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How Does a Coaxial Cable's Capacitance Change with Different Configurations?
- bdubb427
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Calculating Potential Energy on a 1.9° Incline
- xmflea
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Can Physics Concepts Clarify These Energy and Force Problems?
- musicfairy
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Calculating Moles of Gas with Ideal Gas Law
- designer rose
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What are the kinematic equations for projectile motion?
- afcwestwarrior
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How Fast Does a 80 kg Weight Move After Being Pulled 1.5 m on a Rough Plane?
- Garicup
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Newton's laws / pulleys question?
- helpmeplease2
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Beer mug across counter direction of mugs velocity
- akbro93704
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Find the y-compnent of the force
- kdizzle711
- · Replies 3 ·
What is the minimum speed needed to clear a tank of sharks while water skiing?
- notagenius08
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How can I calculate the speed of the other end of a falling rotating stick?
- bkhofmann
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Finding coefficient of friction from applied force and acceleration
- dorkee
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I'm sorry, I am not sure what you are asking for. Could you clarify?
- halo9909
- · Replies 5 ·
Work against gravity and force on pedals cycling up a hill
- Triad
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Calculating Decay Constant of Damped Oscillations
- h6872
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Difference between an electric dipole and a capacitor?
- rogerharris
- · Replies 11 ·
Predicting the future using chemistry and physics
- Steph191290
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Writting total energy from temperature
- mhellstrom
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How do mass and force independently influence acceleration in experiments?
- abjohan
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Physical laws that affects archery?
- childark
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How do I find the rate of change and acceleration in a vector problem?
- zwook
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What is the direction of the force, up or down?
- asi123
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Static friction coefficient from circular motion prob
- mill0132
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Two objects collide and bounce off each other. Linear momentum
- robvba
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What is the Work Required to Stretch a Spring?
- blayman5
- · Replies 8 ·
How Do You Calculate the Angle Theta for a Pendulum Near Mt. Everest?
- evan b
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What is the minimum speed the car must have at the top?
- Epsillon
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Simple Kirchhoff Loop problem with inductor
- GPhab
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Projectile Motion: Time, Distance, and Velocity in 2D
- blue__boy
- · Replies 3 ·
Some Circular Motions Questions (No math)
- Epsillon
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Angular Momentum of the earth at the equator
- vesperaka
- · Replies 1 ·
Why Does the Calculation of Work in an Electric Motor Involve Multiplying by 4?
- Ithryndil
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Ball thrown up with an initial speed of 27.0 m/s
- evan b
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How Does an Inductor's DC Behavior Affect Circuit Current Buildup?
- strawberrysk8
- · Replies 1 ·
Solving for Tension in Two Block System
- Inertialforce
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Why Does the Block Not Reach the Expected Distance on the Incline?
- kleencut
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Two forces at 45 pull an object distance of 14. What is work by both forces?
- evan b
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Average speed and instantaneous, displacement and distance, speed and velocity
- xoxmiu
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Net force on a car pulling a trailer at 2.16 m/s²
- frosti
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Find Minimum Frequency to Establish Standing Wave on Wire
- physicsya
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Solving 2-Force Work and Kinetic Energy Problems
- shimizua
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2 masses, pulley on a frictionless incline
- epyon346
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Very Quick momentum equation question
- crimsonn
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Is Energy or Entropy Conserved?
- logit167
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Baseball caught: acceleration and force during catch
- jayyafeelme
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How Close to Speaker B Causes Destructive Interference at 172 Hz?
- jaded18
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How Do You Calculate Tension in a Two-Mass Pulley System?
- frosti
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Find friction force and coefficient for 5.0-kg block with 43.0 N applied force
- jayyafeelme
- · Replies 7 ·
Vectors Homework Help: Finding Components and Distance of Airplane Velocity
- djunderseage
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Velocity after collision between 3.00 kg and 4.00 kg particles
- cgarr017
- · Replies 2 ·
Is the Work-Energy Principle Valid Without Friction?
- evan b
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Girl slides down a slide. What is the friction?
- fallen186
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Roller Coaster Problem with Friction
- Bones
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Spring constant and uncertainty in spring constant calculation
- vcooper28
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Kinetic Friction to find velocity
- SuPaFly43218
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How Does Friction Affect Spring Compression and Block Displacement?
- Jessicaelleig
- · Replies 3 ·
Solving Cart-Cart Collision: Velocities & Momentum
- r34racer01
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How Low Does the Object Reach in a Spring-String System?
- musicfairy
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Batman tractor trailer scene: How fast would the truck need to flip?
- Saladsamurai
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Angular Momentum of Uniform Disk Question
- sailaka
- · Replies 9 ·
Accelerating car, kinematics problem
- Jessicaelleig
- · Replies 1 ·
Massless strings/pulleys: Finding the magnitude of the Force
- Graphire
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Gravity acceleration 1/5 earths, how high?
- evan b
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Calculate the work done by a Generator
- shinobi12
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The expelling of fuel from a rocket (Momentum)
- tyro008
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Finding the force on an amusement park ride
- jheld
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Magnetic flux through smaller coil within solenoid
- jdubt
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Angular Acceleration of a bicycle
- maniacp08
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Gravitational potential energy of three particles at triangle vertices
- closer
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Is the textbook wrong or am I?
- drewdiddy
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Block falling on string wrapped around cylinder
- lee_chick
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What is the Acceleration and Force of a Crate Being Pulled Across Ice?
- halo9909
- · Replies 3 ·
How Fast Must a Proton Travel to Cross an Electric Field?
- Foxhound101
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Kinematics of a thrown football - Find the path
- itsmarasilly
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Final speed after dragging crate
- drewdiddy
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Collisions and conservation of momentum
- rinarez7
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Electric force on a proton in Earth's atmosphere
- 811 trolley
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Magnetic flux through loop inside of solenoid
- as11
- · Replies 9 ·
Two blocks on a pulley meeting at same height
- nvictor
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Specific heat problems
- rtm31
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Minimum force to move an 8 kg box with friction coefficients
- flsurfer
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The force of friction moving up a slope
- tyler24_11
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Why Is My Calculation of Angular Acceleration Incorrect?
- maniacp08
- · Replies 5 ·
Rotational Motion and Linear Speec
- dukes
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Minimum rear-view mirror size to see entire rear window
- yayirunin2car
- · Replies 2 ·
Tension Required for 1200-kg Car @ 0.60m/s2
- annala
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Magnetron Electron Field Strength
- haxxorboi
- · Replies 2 ·