Introductory Physics Homework Help Forum

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Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
General question about accleration of box on inclined plane
  • 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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Solving Change in Altitude: Physics Homework Help
  • 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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5
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
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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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Solving for Friction Coefficient: 105N & 3.00 m/s^2
  • dorkee
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I'm sorry, I am not sure what you are asking for. Could you clarify?
  • halo9909
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Conservation of mechanical energy: Cyclist up a hill
  • Triad
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5
Calculating Decay Constant of Damped Oscillations
  • h6872
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Difference between an electric dipole and a capacitor?
  • rogerharris
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Predicting the future using chemistry and physics
  • Steph191290
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2
Writting total energy from temperature
  • mhellstrom
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10
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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2
What is the direction of the force, up or down?
  • asi123
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4
Static friction coefficient from circular motion prob
  • mill0132
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4
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
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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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3
Simple Kirchhoff Loop problem with inductor
  • GPhab
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2
Projectile Motion: Time, Distance, and Velocity in 2D
  • blue__boy
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3
Some Circular Motions Questions (No math)
  • Epsillon
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Angular Momentum of the earth at the equator
  • vesperaka
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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
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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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Calculating Net Force: 930kg Car & 320kg Trailer with 2.16 m/s2 Acceleration
  • 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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Help with acceleration, magnitude, and direction of force
  • 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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Calculating Frictional Force and Coefficient of Friction | Quick Homework Help
  • jayyafeelme
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Vectors Homework Help: Finding Components and Distance of Airplane Velocity
  • djunderseage
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Particle Collision: 3.00kg & 4.00kg Particles
  • cgarr017
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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
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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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Uncovering the Unreasonable: Dynamics and Batman's Tractor Trailer Scene
  • Saladsamurai
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Angular Momentum of Uniform Disk Question
  • sailaka
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Accelerating car, kinematics problem
  • Jessicaelleig
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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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Physics general question about accleration
  • hager
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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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Potential Energy of a system of particles
  • closer
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Is the textbook wrong or am I?
  • drewdiddy
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Rotational Dynamics Help Needed
  • lee_chick
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What is the Acceleration and Force of a Crate Being Pulled Across Ice?
  • halo9909
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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 and Gravitational Forces & Fields
  • 811 trolley
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Magnetic flux through loop inside of solenoid
  • as11
  • · Replies 9 ·
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Conservation of mechanical energy
  • nvictor
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Maximize Efficiency: Solving Specific Heat Problems with Expert Tips
  • rtm31
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What Is the Minimum Force Required to Move the Box?
  • 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
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Rotational Motion and Linear Speec
  • dukes
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Optimizing Rear-View Mirror Dimensions for Full Rear Window Visibility
  • yayirunin2car
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Tension Required for 1200-kg Car @ 0.60m/s2
  • annala
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Magnetron Electron Field Strength
  • haxxorboi
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Finding distance and angle of crash between plane and rocket
  • jheld
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Ricocheting Bullet (elastic collisions)
  • needphyshelp
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Rotational motion and gravitational torque
  • brethman86
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Breaking tension, and a weight component
  • Michael805
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Finding Force given a mass attached to a rope
  • TJDF
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How Do You Parametrize Curves for Line Integrals in Complex Numbers?
  • chota
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What is the wavelength of the incident photon?
  • roeb
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